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Search engine robots that visit your web site

Contents of this page

Search engine robots and others
Browsers
Link Checkers, Link monitors and bookmark managers
Validators
FTP clients and download managers
Research projects
Software packages
Offline browsers and other agents
Other miscellaneous agents
Sites that regularly visit
Other useful sites
...And finally, some fakers
Awards for this page

Search engines and other sites send robots to read and index your pages. This page reverses that process and indexes the robots. This information has been gleaned by looking at the server logs for www.jafsoft.com. You can read a detailed description of how we hunt spiders

Whenever a page is read from a web site, the log file records a number of details including the time, the IP address and usually the referrer page and the user agent. You can see this in our analysis of a server log sample.

Unlike many pages that list web robots, this page actually tries to go visit the robots themselves. Where possible links are provided to the robots home pages, and descriptions are given of what they're up to. This page is updated regularly as more information is found (the last update was on 30-Jan-2006).

Well behaved robots will identify themselves, often supplying web or email addresses you can contact. In any case, the pattern of pages being read and the IP addresses being used soon sorts the men from the robots.

Good robots will read robots.txt to see what your site policy is, but there are other ways of spotting robots. In addition to the search engine robots, other "user agents" will visit your site, e.g. to validate links to your site from other people's pages. Often these will just access the HEAD of the file, rather than doing a GET on the whole file.

You can also visit our page describing the engines in some detail.

This page is regularly converted from this text file by the author's own text to HTML converter AscToHTM. The last update was on 30-Jan-2006. This software is available as shareware (cost $30)


Search engine robots and others

The following table lists the search engines that spider the web, the IP addresses that they use, and the robot names they send out to visit your site. Version numbers are usually included in the robot names, but are omitted here except where it implies a visit from a different IP address or (as in inktomi) a different search engine.

Often multiple IP addresses are used, in which case we just give a flavour of the names or numbers. Inktomi is a company that offers search engine technology and is used by a number of sites (e.g. www.snap.com and www.hotbot.com)

Wherever <nn> appears this indicates a number of different digits may be used.

Home page/search engine Robot identifier IP address(es)
www.abacho.com AbachoBOT srv-ze-robot1.tricus.com
www.abcdatos.com abcdatos_botlink
http://www.abcdatos.com/botlink/
217.126.39.167
www.aesop.com AESOP_com_SpiderMan 209.189.115.49
www.ah-ha.com ah-ha.com crawler (crawler@ah-ha.com) c7pub-216-250-141-186.center7.com
www.alexa.com ia_archiver green.alexa.com
sarah.alexa.com
www.altavista.com


Scooter
Mercator
Scooter2_Mercator_3-1.0
roach.smo.av.com-1.0
Tv<nn>_Merc_resh_26_1_D-1.0
test-scooter.pa.alta-vista.net
brillo.pa.alta-vista.net
av-dev4.pa.alta-vista.net
scooter.aveurope.co.uk
bigip1-snat.sv.av.com
mercator.pa-x.dec.com
scooter.pa.alta-vista.net
election2000crawl-complaints-to-admin.webresearch.pa-x.dec.com
scooter.sv.av.com
avfwclient.sv.av.com
tv<nn>.sv.av.com
www.altavista.co.uk AltaVista-Intranet
jan.gelin@av.com
host-119.altavista.se
www.alltheweb.com FAST-WebCrawler
crawler@fast.no
209.67.247.154
  www.fast.no/faq/faqfastwebsearch/faqfastwebcrawler.html
  Wget ext-gw.trd.fast.no
www.acoon.de Acoon Robot 194.231.42.178
www.antisearch.net antibot 62.210.155.50
www.atomz.com Atomz router-sc.atomz.com
index.atomz.com
www.axmo.com AxmoRobot 194.248.208.82
www.buscaplus.com Buscaplus Robi
http://www.buscaplus.com/robi/
 
www.canseek.ca CanSeek/
support@canseek.ca
216.168.111.111
www.christcrawler.com/search.cfm ChristCRAWLER
http://www.christcrawler.com/
207.191.111.231
www.clush.com Clushbot
http://www.clush.com/bot.html
209.249.80.242
www.crawler.de Crawler
admin@crawler.de
crawlit.crawler.de
www.daadle.com DaAdLe.com ROBOT/ 216.12.213.32
www.daum.net
RaBot
Agent-admin/ phortse@hanmail.net
contact/jylee@kies.co.kr
210.183.28.46
211.50.57.6
  RaBot
Agent-admin/ webmaster@kisco.go.kr
202.30.94.34
www.en.deepindex.com DeepIndex deepindex.net1.nerim.net
www.ditto.com DittoSpyder 65.169.94.188
domanova.co.uk Jack  
www.earthcom.info EARTHCOM.info 194.108.39.74
www.entireweb.com Speedy Spider 62.13.25.209
www.excite.com ArchitextSpider Musical instrumentss are used
in the name such as viola.excite.com
cello.excite.com
piano.excite.com
kazoo.excite.com
ride.excite.com
sabian.excite.com
sax.excite.com
bugle.excite.com
snare.excite.com
ziljian.excite.com
bongos.excite.com
maturana.excite.com
mandolin.excite.com
piccolo.excite.com
kettle.excite.com
ichiban.excite.com
(and the rest of the band)
more recently first names are being
used like philip.excite.com
peter.excite.con
perdita.excite.com
macduff.excite.com
agouti.excite.com
(excite) ArchitectSpider crimpshrine.atext.com
ichiban.atext.com
www.eurip.com EuripBot 81.169.172.30
www.euroseek.net Arachnoidea
arachnoidea@euroseek.net
212.209.54.134
www.ezresults.com EZResult 216.28.23.59
www.fastsearch.net
Fast PartnerSite Crawler
FAST Data Search Crawler
FAST Data Search Document Retriever
psprdcrw001.sac2.fastsearch.net
65.198.110.185
69.38.159.128
www.fireball.de KIT-Fireball ????
http://france.misesajour.com/ france.misesajour.com 66.98.210.71
www.fybersearch.com FyberSearch 69.49.241.9
www.galaxy.com GalaxyBot
http://www.galaxy.com/galaxybot.html
63.121.41.175
www.geckobot.com geckobot ???.rdc1.az.coxatwork.com
www.gendoor.com
(Genealogical Search Engine)
GenCrawler ????
www.geona.com GeonaBot 69.59.142.17
www.getrax.com getRAX 81.169.156.246
www.google.com Googlebot
googlebot@googlebot.com
http://googlebot.com/
c<nn>.googlebot.com
www.goo.ne.jp moget/2.0
moget@goo.ne.jp
202.229.31.13
www.girafa.com Aranha Aranha.girafa.com
(inktomi)
Slurp.so/1.0
slurp@inktomi.com
q2004.inktomisearch.com
j5006.inktomisearch.com
(inktomi)
Slurp/2.0j
slurp@inktomi.com
www.inktomisearch.com
202.212.5.34
goo313.goo.ne.jp
(inktomi) Slurp/2.0-KiteHourly
slurp@inktomi.com;
www.inktomi.com/slurp.html
y400.inktomi.com
(inktomi) Slurp/2.0-OwlWeekly
spider@aeneid.com
www.inktomi.com/slurp.html
209.185.143.198
(inktomi) Slurp/3.0-AU
slurp@inktomi.com
j6000.inktomi.com
http://hoppa.com/
(need V5 browsers to view)
Toutatis 2.5-2 tisnix.xs4all.nl
www.hubat.com Hubater 209.114.176.250
www.almaden.ibm.com
(research centre)
http://www.almaden.ibm.com/cs/crawler wfp2.almaden.ibm.com
www.iltrovatore.it IlTrovatore-Setaccio 213.26.21.8
www.incywincy.com IncyWincy 64.81.243.66
www.infoseek.com
UltraSeek
InfoSeek Sidewinder
cde2c923.infoseek.com
cde2c91f.infoseek.com
cca26215.infoseek.com
www.intags.de Mole2/1.0
webmaster@intags.de
217.160.75.10
http://mp3bot.de/ MP3Bot <..>
www.ip3000.com C-PBWF-ip3000.com-crawler
ip3000.com-crawler
www.ip3000.com
www.istarthere.com http://www.istarthere.com
spider@istarthere.com
66.220.24.80
www.knowledge.com Knowledge.com/ 213.170.2.69
www.kuloko.com kuloko-bot/0.2 66.90.81.41
www.lexis-nexis.com LNSpiderguy firewall5.lexis-nexis.com
www.linknz.co.nz Linknzbot 202.191.32.67
www.look.com lookbot magma.com
www.looksmart.com MantraAgent fjupiter.looksmart.com
www.loopimprovements.com
(see also www.incywincy.com)
NetResearchServer
www.loopimprovements.com/robot.html
leg-64-133-109-250-STK.sprinthome.com
www.lycos.com Lycos_Spider_(T-Rex) bos-spider<n>.bos.lycos.com
216.35.194.188
www.joocer.com JoocerBot 80.46.38.169
www.mirago.co.uk HenryTheMiragoRobot 194.202.39.46
www.mojeek.com MojeekBot ???
www.mozdex.com mozDex/ (within comcast.net)
http://search.msn.com/ MSNBOT/0.1
http://search.msn.com/msnbot.htm)
131.107.163.47
www.navadoo.com Navadoo Crawler ???
www.northernlight.com Gulliver marvin.northernlight.com
taz.northernlight.com
www.objectssearch.com ObjectsSearch/0.01 68.88.244.177
http://szukaj.onet.pl/ OnetSzukaj/ ???
www.picosearch.com PicoSearch/ pipe.picosearch.com
www.portaljuice.com PJspider timber.nextopia.com
www.powerinter.net
but it won't let us in :-(
DIIbot node-d8e93393.powerinter.net
http://navi.ocn.ne.jp/
nttdirectory_robot
super-robot@super.navi.ocn.ne.jp
griffon
griffon@super.navi.ocn.ne.jp
lilis00.navi.ocn.ne.jp
lilis04.navi.ocn.ne.jp
www.maxbot.com Spider/maxbot.com
admin@maxbot.com
search.wport.com
??? various (fakes agent on each access) pool0058.cvx2-bradley.dialup.earthlink.net
???
gazz/1.0
gazz@nttrd.com
deleuze.infobee.ne.jp
derrida.infobee.ne.jp
??? ??? search-8.xift.com
www.nationaldirectory.com NationalDirectory-SuperSpider spider.nationaldirectory.com
209.116.58.143
www.naver.com dloader(NaverRobot)/
dumrobo(NaverRobot)/
211.218.151.209
www.noxtrum.com noxtrumbot/ 194.224.199.52
www.openfind.com
(Chinese language)
Openfind piranha,Shark
robot-response@openfind.com.tw
Openbot/
???

abovenet4.openfind.com
www.picsearch.org psbot
www.picsearch.org/bot.html
217.75.104.26
www.pinpoint.com CrawlerBoy Pinpoint.com nitrogen.pinpoint.com
www.petersnews.com user<n>.ip3000.com news<n>.petersnews.com
www.qweery.nl QweeryBot
http://qweerybot.qweery.com)
84.82.133.41
www.vestris.com/alkaline AlkalineBOT host130.uv-ray.com
www.rambler.ru StackRambler/ 81.222.64.10
www.seznam.cz SeznamBot 212.80.76.87
www.search-10.com Search-10 82.41.144.99
www.searchhippo.com Fluffy the spider
info@searchhippo.com)
208.148.122.27
www.scrubtheweb.com Scrubby/ 208.145.190.254
www.singingfish.com asterias grouper.singingfish.com
www.speedfind.de speedfind ramBot xtreme BWEB.highway.telekom.at
www.s.u-tokyo.ac.jp Kototoi/0.1 crawler-red3.is.s.u-tokyo.ac.jp
www.searchbyusa.com SearchByUsa ???
www.searchspider.com Searchspider/ 24.90.243.203
www.sightquest.com SightQuestBot/
http://www.sightquest.com/bot.htm
64.49.245.212
www.spidermonkey.ca Spider_Monkey/ 66.163.18.197
www.surfnomore.com Surfnomore Spider v1.1 165.90.194.245
www.supersnooper.com Robot@SuperSnooper.Com 207.8.212.162
www.teoma.com teoma_agent1
teoma_admin@hawkholdings.com
63.236.92.148
http://mapper.teradex.com Teradex_Mapper
mapper@teradex.com
65.110.6.26
www.travel-finder.com ESISmartSpider 202.46.33.15
www.traficdublu.ro Spider TraficDublu 81.196.*.*, 193.16.218.66
www.tutorgig.com Tutorial Crawler
http://www.tutorgig.com/crawler
216.40.225.75
www.updated.com updated/0.1beta
crawler@updated.com
38.119.96.107
www.uksearcher.co.uk UK Searcher Spider -
www.vivante.com
(coming soon)
Vivante Link Checker 216.93.167.106
www.walhello.com appie uses an address at planet.nl, a Dutch ISP
www.websmostlinked.com Nazilla -
www.webwombat.com.au www.WebWombat.com.au 202.139.99.131
www.webseek.de marvin/infoseek
marvin-team@webseek.de
arthur4.sda.t-online.de
www.webtop.com MuscatFerret ferret<nn>.webtop.com
www.whizbanglabs.com WhizBang! Lab 216.250.143.108
www.wisenut.com ZyBorg
(info@WISEnut.com)
-
www.wire.co.uk WIRE WebRefiner:
webrefiner@wire.co.uk
brighton.wire.co.uk
www.worldsearchcenter.com WSCbot ???
www.yandex.com Yandex ya.yandex.ru
www.yellowpet.com
pet-based search engine
Yellopet-Spider 212-82-36-23.ip.zeitraum.com
www.yelo.no Findexa Crawler ???
www.yourbettersearch.com YBSbot search engine indexer 12.25.90.3
<client sites> libwww-perl www.linpro.no/lwp/
http://verno.ueda.info.waseda.ac.jp/  
  Iron33 207.18.183.251


Browsers

Most browsers identify themselves with a string that begins "Mozilla...". I've chosen not to document those (as yet). Here are a few of the rarer browser identifiers that I've seen.

Browser identifier Information
AmigaVoyager
http://v3.vapor.com/
Voyager browser for the Amiga
xChaos_Arachne
http://browser.arachne.cz/
(DOS-compatible browser. Linux version under development)
IBrowse
www.hisoft.co.uk (search for IBrowse)
Amiga-based browser
ICab
www.icab.de/index.html
(Macintosh-only)
JustView
http://www3.justsystem.co.jp/download/justview/3.01win1a.html
(I think this is a browser. Site is in Japanese)
KMeleon
http://kmeleon.sourceforge.net/
(Light browser based on the Mozilla code base)
Konqueror
www.konqueror.org/konq-browser.html
(Linux KDE browser)
Lynx
http://lynx.browser.org/
(Cross-platform text based browser)
OmniWeb
www.omnigroup.com/products/omniweb/
(Macintosh-only)
Opera
www.opera.com
(Cross-platform, small, efficient and standards lead browser)
Plucker
www.plkr.org/index.pl/faq#1.1
(Palm handhelds. Written in Python)
pwWebSpeak
www.prodworks.com/issound/catalog/catalog_pwwebspeak.html
Audio Browser
QWeb
http://sunsite.auc.dk/qweb/ (Linux browser)
(see also http://browswerwatch.internet.com/news/story/qweb8.html)
retawq
http://retawq.sourceforge.net/
Text-based browser for text terminals. Runs under Linux
SlimBrowser
www.flashpeak.com/sbrowser/sbrowser.htm
Freeware tabbed browser
Sleipnir
http://sleipnir.pos.to/software/sleipnir/index.html (Japanese)
Japanese browser with apparantly an English version available.
VMS_Mosaic
http://vaxa.wvnet.edu/vmswww/vms_mosaic.html
(OpenVMS only version of Mosaic, a pre-Netscape browser)
WannaBe
http://mindstory.com/wb2/
(Macintosh text-only browser)
w3m
http://w3m.sourceforge.net/
(text-based browser)


Link Checkers, Link monitors and bookmark managers

Link checkers and bookmark managers are run by people wanting to keep their pages and bookmarks up to date. Being visited by a link checker is good news as it means that someone has linked to you, and cares that you're still alive. Link monitors regularly check your pages for changes, usually because someone has selected your page as "one to watch".

(pause for warm glow :-)

If you have access to the server log, check the referrer page to try and get the URL from which you are linked. Sometimes these URLs are inside password protected parts of sites, so you won't be able to view the page.

If you build up a list of sites that link to you, these are the guys you should tell when you move (moral - never move)

It's also quite common for the Link checker to give no indication of which URL it's coming from. Some link checkers always come from the same IP address, more usually they come from the client's site. It depends on whether the site owner has purchased a copy of the link checking software, or signed up to some centralized link checking service. If you get the client's IP address you can always try visiting that if they blank the referrer URL field, and surfing their site.

Some of these tools appear to imply they're extracting email addresses (e.g. emailSiphon). As such they're probably unwelcome visitors since these addresses are probably being collected for spammers.

A page listing various link checkers (and other tools) can be found at www.softwareqatest.com/qatweb1.html#LINK

Robot identifier IP address(es) Link Checker home page
ActiveBookmark <client site> http://libmaster.com/software.php
ALink
<client site>
http://www.info-pack.com/alink/
Reciprocal Link Checker, Manager and Page Generator.
AMeta
<client site>
http://www.info-pack.com/ameta/
Meta Tag Generator
ASPSearch URL Checker
<client site>
http://search.santry.com/downloads/
a site search engine/index maintenance tool
BlogBot <client site> http://sourceforge.net/projects/blogbot/
BMChecker
<client site>
www.fureai.or.jp/~yoichi37/soft/bmchecker.html
(Japanese Bookmark Checker)
Bookmark Buddy <client site> www.bookmarkbuddy.net/about.shtml
Check&Get <client site> www.checkget.com
CheckWeb <client site> www.checkweb.com
CNET_Snoop

www.download.com
(only if you have software listed at that site)
CSE HTML Validator
<client site>
www.htmlvalidator.com
HTML page validator that includes a link checker
amongst it's functions.
DRKSpider <client site> www.drk.com.ar/spider/ (An Open Source project)
DISCo Watchman <client site> www.t-guild.com/gamesite/Software/Disco_w/Disco_w.htm
DoctorHTML draco.imagiware.com http://www2.imagiware.com/RxHTML/
Email Extractor
<client site>
<email collector> We don't list links to
email collectors on this site
EmailSiphon
<client site>
<email collector> We don't list links to
email collectors on this site
EmailWolf <client site> www.pixeltech.com.au/~msw/ewolf/index.html
FavOrg
<client site>
http://www.pcmag.com/article2/0,1759,1558477,00.asp
A utility written by PC Magazine to fetch icons files
(favicon.ico) for your IE favorites
Favorites Sweeper
<client site>
www.manitoolssoftware.cjb.net
Another "favorites" tidy-up utility
FreshLinks.exe <client site> www.resqpc.com/features.html
Funnel Web Profiler
<client site>
www.quest.com/funnel_web/profiler/
Profiles your site, including links to/from it
Html Link Validator <client site> www.lithopssoft.com/hlv/index.html
HTMLParser
<client site>
http://htmlparser.sourceforge.net/ an open source
HTML parser, that is probably exercising it's
link-checking features.
The Informant
The Intraformant
cosmo.dartmouth.edu
http://informant.dartmouth.edu/
InternetLinkAgent
<client site>
http://www1.odn.ne.jp/freeware/rank/ineternet/internetlinkagent.html
(in Japanese)
InternetPeriscope <client site> www.lokboxsoftware.com/internetperiscope.asp
javElink salix.ingetech.com www.dailydiffs.com
jdwhatsnew.cgi <client site> www.jdrowell.com/projects/jdwhatsnew/view
JRTS Check Favorites Utility <client site> www.jrtwine.com/Products/CheckFavs/
Lambda LinkCheck 195.139.70.25 www.stud.ifi.uio.no/~lmariusg/download/python/LinkCheck.html
LinkLint-checkonly -- www.goldwarp.com/bowlin/linklint/
LinkAlarm linkalarm.com www.linkalarm.com
Linkbot <client site> www.tetranetsoftware.com/products/linkbot.htm
Linkman (Mozilla...) 66.89.128.242 http://www.outertech.com/product.php?product=5
LinkProver <client site> www.tafweb.com/linkprover.html
Links
--
http://gossamer-threads.com/scripts/links/
(Link management cgi script)
LinkScan Server <client site> www.elsop.com
LinkSweeper <client site> www.lss.com.au/lss/windows/ls/linksweeper.htm
Link Valet Online 195.82.114.5 www.htmlhelp.com/tools/valet/
LinkVerify Spider frances.yourwebhost.com www.enduser.co.uk/linkverify/
LinkWalker
lw.seventwentyfour.com
209.167.50.23
www.seventwentyfour.com
Morning Paper <client site> www.boutell.com/morning/
MoveAnnouncer
--
www.moveannouncer.com
(notifies webmasters when your pages have moved)
mylinkcheck -- www.mylinkcheck.de (German)
NetLookout -- www.frugalsoft.com
NetMechanic
www.elsop.com
gamma.netmechanic2.com
www.netmechanic.com
NetMind-Minder




marvin.netmind.com (retired)
gary.netmind.com
meg.netmind.com
inyanga.netmind.com
leo.netmind.com
gemini.netmind.com
www.netmind.com




NetMonitor -- www.modemwizard.com/netmonitor.html
Netprospector JavaCrawler <client site> www.actaddons.com/products/netprospector.asp
online link validator
216.93.171.138
www.dead-links.com
(online link checker - submit your URL)
Rational SiteCheck <client site> www.rational.com/products/teamtest/prodinfo/sitecheck.jtmpl
Robozilla
h-206-<n>-<n>-<n>.netscape.com
http://dmoz.org/
(checks links in the dmoz directory)
RPT-HTTPClient
<client site>
www.purplefrog.com/~thoth/jchecklinks/
Java utility that uses the Java HTTPClient class library
SiteBar <client site> www.sitebar.org
SpurlBot ??? www.spurl.net Online bookmark agent
SurfMaster <client site> www.maskbit.com/surfmaster.htm
SyncIT <client site> www.bookmarksync.com
Watchfire WebXM <client site> www.watchfire.com/products/webxm.asp
WatzNew Agent <client site> www.watznew.com
WebSite-Watcher <client site> www.aignes.com
WebTrends Link Analyzer <client site> www.webtrends.com
Weblink Scanner <client site> www.iterix.com/products/WeblinkScanner/weblinkScanner.asp
Xenu's Link Sleuth <client site> www.snafu.de/~tilman/xenulink.html
Z-Add Link Checker <client site?> http://w3.z-add.co.uk/linkcheck/


Validators

Validators check your web pages for HTML correctness and standards compliance. Since other people are unlikely to send a validator to your site, you don't usually see much of this. Consequently the "list" below is restricted to the on-line validators I've used myself.

However if you choose to validate your own site, then the validation attempts will appear in your logs. The following list is thus limited to the on-line validator I use (and recommend) and a URL submission service that I use.

Robot Identifier IP address Validator home page
W3C_Validator abyss.w3.org http://validator.w3.org/
WDG_Validator/ 64.29.16.182 www.htmlhelp.com/tools/validator/
Tooter
selfpromotion.com
www.selfpromotion.com. This is
used as part of a link submission
agent (trebor@animeigo.com)


FTP clients and download managers

If you offer files for download, then you'll start to be visited by various FTP clients. Clients like Go!Zilla and GetRight are smart in that they can resume downloads that have been interrupted. This relies on your web server supporting the necessary protocol, but that's fairly standard these days.

If your download files are over 1Mb in size (or if your server is slow), you'll often see the same IP address make multiple partial downloads of your file (look at the file size). In the case of Clients line Go!Zilla and GetRight if these add up to the right number of bytes, then chances are the download succeeded.


Client Identifier FTP Client home page
Alligator www.nearsoftware.com/alligator/maininfo/
BatchFTP www.dynamicnet.net/products/batchftp.htm
ChinaClaw
http://download.pchome.net/internet/download/860.html (Chinese)
(Chinese download utility)
DA
www.lidan.com
www.downloadaccelerator.com
DLExpert www.yanew.com (English and Chinese versions available)
Download Demon www.netzip.com
Download Master www.one.com.ua/dm/ (Russian)
Download Ninja www.h-fd.org/~mkro/mt/archives/000585.html (Japanese)
Download Wonder www.forty.com
Ez Auto Downloader
www.anatari.com/ezad/index.html
Downloads all files of a given type from a site, so it's
more like a site grabber
FreshDownload www.freshdevices.com/freshdown.html
Go!Zilla www.gozilla.com
GetRight
MyGetRight
www.getright.com
GetSmart http://getsmart.hypermart.net/
HiDownload www.hidownload.com
JetCar (or FlashGet) www.amazesoft.com
Kapere www.kapere.com/menu.php?lang=english
Kontiki Client www.kontiki.com/products/index.html
LeechFTP http://stud.fh-heilbronn.de/~jdebis/leechftp/
LeechGet www.leechget.de
LightningDownload www.lightningdownload.com
Mass Downloader www.geocities.com/SiliconValley/Vista/2865/md.htm
MetaProducts Download Express www.metaproducts.com/DE.html
NetZip Downloader
SmartDownload
www.netzip.com
NetAnts www.netants.com
NetButler www.webcelerator.com/netbutler/
NetPumper www.netpumper.com
Net Vampire www.netvampire.com
Nitro Downloader www.klsofttools.com/nitro.html
Octopus http://moskalyuk.com/octopus/
PuxaRapido www.puxarapido.com.br
RealDownload http://service.real.com/help/faq/rdown4/rdownfaqa01.html
SpeedDownload www.yazsoft.com (for Macintosh)
WebDownloader for X 1.30
www.krasu.ru/soft/chuchelo/features.php3
(Linux web downloader with X GUI)
WebLeacher
www.webleacher.dk (down last time I tried it)
more details at www.davecentral.com/projects/thewebleacher/
WebPictures Downloader
www.fullstrong.com
Locates and downloads pictures
X-Uploader
Can't find the home page, but it's described (in Russian)
on www.compulenta.ru/2002/1/17/24333/


Research projects

These agents come from research projects. Of course that's how Google started...

citenikbot/
http://www.citenik.co.uk/bot.html. One-man project due
for release in 2004.
CLIPS-index
http://clips-index.imag.fr/ (French)
French research robot from a linguistics project (?)
Computer_and_Automation_Research_Institute_Crawler

Robot from the research centre at Hungarian Acedemy
of Sciences at www.sztaki.hu Crawls from IP 195.111.1.93
cosmos
robot@xyleme.com




Spider from www.xyleme.com which is a project to locate
and index XML content on the web. The company is a spin off
from project at INRIA in France, a frequent source of
web robots. The word "xyleme" apparantly relates to the
vascular system in plants, but cleverly must be one of
the very few words to contain the letters "X", "M" and "L"
(although not in that order ;-)
D2KWebCrawler
http://archive.ncsa.uiuc.edu/TechFocus/Projects/NCSA/D2K-_Data_To_Knowledge.html
"Data to Knowledge" data miner. Crawls from 141.142.15.21
DiaGem/
Experimental spider from Mitsibushi R&D division
www.skyrocket.gr.jp/diagem.html
Crawls from IP 203.178.88.244
Digimarc WebReader
Digimarc search images on the web looking for digital watermatrs
More details at www.digimarc.com
EchO!/2.0
Spiders from 194.254.160.3, which would seem to be part
of www.voila.com, a French-based search engine.
FinaleRobot
robot-master@expressus.com


The www.expressus.com site describes an Interactive Natural
Language encyclopedia that will become a search engine
at www.final-e.com. Good name, but at present it just
maps back onto the ExpressUs site (not such a good name).
Crawls from IP address 64.114.34.115
Ideare - SignSite


www.ideare.com. Spiders from spider3.tiscalinet.it. Ideare are
a research company producing search engine technology, and are
part owned by Tiscali in Italy, who seem to use their various
tools for different search engines (mp3, images etc).
GentleSpider
Some sort of spider that usually visits using
an IP address from within www.research.att.com or
crawler.tivra.com
Gulper Web Bot
www.ecsl.cs.sunysb.edu/~maxim/cgi-bin/Link/GulperBot
(Open research project to produce opinion-based search engine)
larbin
sebastien.ailleret@inria.fr
ghi@lcs.mit.edu

cosmos
And from the people that brought you xyro (see below),
comes another, newer bot. This one seems to crawl from
the IP address cremant.inria.fr. Update more recently
it's also been seen coming from barracutta.lcs.mit.edu
And then there was "cosmos", crawling from pomelos.inria.fr
Seems these people are a webbot factory. Cosmos doesn't
offer an email address.
IRLbot
http://irl.cs.tamu.edu/crawler. Crawls from 128.194.135.80
crawls randomly to determine the topology of the web.
KnowItAll


www.cs.washington.edu/research/knowitall/ a project that
"extracts massive amounts of information from the Web in
an autonomous, scalable manner". Don't they know that
everyone hates a know-it-all? :-)
MJ12bot
www.majestic12.co.uk/projects/dsearch/ A dsitributed search
engine project
MultiText
Research project to index the last weeks' news items
http://canola1.uwaterloo.ca/
NEC Research Agent
http://heavenly.nj.nec.com/
Research "Inquirus" (meta?) search engine
OntoSpider
http://ontospider.i-n.info
Dutch robot for a research project. Crawls from 195.11.244.52
sherlock_spider
www.sherlock.com.cn. A course project from
http://burrowww.cs.indiana.edu:15003/b659/
Crawls from 129.79.245.98
S.T.A.L.K.E.R.
www.seo-tools.net/en/bot.aspx. "My first robot" :-)
Crawls from 195.71.117.89
Steeler
www.tkl.iis.u-tokyo.ac.jp/~crawler/crawler.html.en
Japanese research robot.
ru-robot
0.1_hseo(at)cs.rutgers.edu
Unable to find details on this, but I'm guessing it's
a research spider from www.rutgers.edu. Crawls using
the IP teal.rutgers.edu
USyd-NLP-Spider
www.it.usyd.edu.au/~vinci/webcorpus.html research into Natural
Language Processing at University of Sydney, Australia
WebGather
http://pccms.pku.edu.cn:8000/
Chinese search project
xyro
xcrawler@inria.fr
Seems to be a spider associated with a French
research institute. Usually crawls using the IP
address vamos.inria.fr
Zao/0.2
www.kototoi.org/zao/ Another Japanese research robot
Crawls from 133.11.36.41.
Zao-Crawler Same as above, but crawled from 133.11.36.40


Software packages

These agents are the default identifiers for various software packages. Software developers uses these packages to add Internet functionality to their own applications. As such it's impossible to say without looking at the pattern of access what these agents are being used for as the same agent name may be used by different developers fo achieve differemt results.

While many of these packages allow you to change the user agent, some do not, and many developers are too lazy to change the agent string.

GT::WWW
Apparantly some form of web-accessing perl module. Possible
included in the Links SQL product produced by
www.gossamer-threads.com/scripts/index.htm.
HTTPClient
Default agent name used by the Java HTTPClient class.
www.innovation.ch/java/HTTPClient/ (See also RPT-HTTPClient below)
HTTP::Lite
Default identifier for a set of light-weight perl modules
for retrieving web documents . See www.toybox.ca/http-lite/
IP*Works!
Set of TCP/IP components used in cross-platform development
of internet tools www.nsoftware.com/products/ipworks.aspx
libwww-perl


The PERL programming language comes with a number of
routines for constructing web-aware scripts. This and
related strings are the default user agent identifiers,
although it's perfectly easy to change this to be whatever
you want.
libghttp


The GNOME http library. A Linux software library
the offers connectivity to the web. Found in many
places on the web. There is a description at
www.fifi.org/doc/libghttp-dev/html/ghttp.html
Macromedia Flash Player
Flash movies can contain scripts that can fetch content
from the web (such as other Flash movies or images)
MFC_Tear_Sample


Agent name used in the sample code supplied with
Visual C++ for accessing the web. This may be therefore
be someone running a program they've written based on
that code.
PEAR HTTP_Request class
TPEAR is a framework and distribution system for reusable PHP
components http://pear.php.net/
Python-urllib
Presumably the default identifier for the urllib module
in the Python programming language
www.lib.uchicago.edu/keith/courses/python/class/7/
RPT-HTTPClient The Java HTTPClient class library
TeamSoft WinInet Component
www.winsoft.sk/wininet.htm (menus require Java)
Internet software component suite
wget
www.gnu.org/software/wget/wget.html
Free Unix/Linux package for retrieving web pages
WinScripter iNet Tools
www.winscripter.com/wsh/tools/wsInetTools.asp
COM/DLL object that supports the SMTP and HTTP protocols
W3CRobot/
A fast web-spidering robot included with the libwww
package (?). See www.w3.org/Robot/
W3C-WebCon/
www.w3.org/ComLine a command-line toolkit that allows you
to perform HTTP operations
wxWidgets
www.wxwidgets.org cross-platform open source C++ GUI builder
which includes "HTML viewing" and much, much more.
Zeus <nnnn> Webster Pro www.homepagesw.com/webster_overview.htm


Offline browsers and other agents

Agent Identifier Agent home page
DigOut4U www.arisem.com/Enu/
DISCoFinder www.ars.ru/eng/products/discof.asp
eCatch www.ecatch.com
EirGrabber
http://www2p.biglobe.ne.jp/~eir/index.htm
(Japanese software from the "Eir Project")
ExtractorPro (Bulk email marketing tool. URL deliberately omitted)
FairAd Client
www.hager.co.at/fordelka/fairad.htm (German)
A German pay-to-surf client
JoBo www.matuschek.net/software/jobo/index.html a site downloader
iSiloWeb www.isilo.com (for palm pilot)
Kenjin Spider www.autonomy.com
MSIECrawler
MSProxy
(Microsoft IE4.0)
NexTools WebAgent www.vector.co.jp/soft/win95/net/se053030.html
Offline Explorer www.metaproducts.com/OE.html
NetAttache Offline browser and search engine agent
PageDown
Details (in Japanese) at
http://www01.u-page.so-net.ne.jp/fa2/y_yutaka/share/pagedown.htm
ParaSite www.ianett.com/parasite/
Searchworks Spider www.nedesign.com/Phipps/products.html
SiteMapper www.trellian.com/mapper/index.html
SiteSnagger http://www.pcmag.com/article2/0,1759,1559896,00.asp
SuperBot www.sparkleware.com/superbot/index.html
Teleport Pro www.tenmax.com/teleport/pro/home.htm
URL2File www.chami.com/free/url2file_wincon.html
Web2Map
www.web2map.com/us/index.htm
Web site copier. English/German versions available
WebAuto
www.yanasoft.co.jp/webauto.html
I think this is an offline browser. Site is in Japanese
WebCopier www.maximumsoft.com
Webdup
www.webdup.com
(Chinese software. Not 100% sure what it does)
WebFetch www.webfetch.com
WebReaper http://www.webreaper.net/
Webrobot www.multimania.com/dilletb/WebRobot/
Website eXtractor www.asona.org
WebSnatcher www.theronwelch.com/websnatcher/
WebStripper www.solentsoftware.com/webstripper/
WebTwin
www.WebTwin.com
Convert websites into help files.
WebVCR www.netresultscorp.com/fs_webvcr_info.html
WebZIP www.spidersoft.com
WWWOFFLE www.gedanken.demon.co.uk/wwwoffle/
Xaldon WebSpider
www.xaldon.de/produkte_webspider.html (German)
Offline browser

Other miscellaneous agents

These agents are ones that we've seen, but been unable to get information for, or which are slightly unusual in origin. If you have any additional information on any of these, feel free to send it to info@jafsoft.com


User Agent Information
Ad Muncher
www.admuncher.com
Browser plug-in that monitors the pages as you view them,
and removes all adverts, popup windows etc.
ADSAComponent
ADSARobot


http://cnds.ucd.ie/adsa/
distributed search engine project
Contact postmaster@cnds.ucd.ie
browses from acropolis.ucd.ie (which doesn't make
sense for a distributed search engine :-)
Albert Indexer
www.albert.com
Multi-lingual search technology
AnswerChase www.answerchase.com a personal search robot.
ASPSeek www.aspseek.org/about.html. An open source search engine project
ATA-Translation-Service
Looks to be an online translation tool, much like
Babelfish. Possibly related to www.atanet.org/
AVSearch
Seems to be the AltaVista personal search agent. The
crawling site is sometimes referred to in the agent name
Avant Browser www.avantbrowser.com Browser add-on for Internet Explorer
Beamer
www.pagebeamer.org/fr/index.php (French). A browser accelerator
that requires sites to create a "pagebeamer.txt" file that is
fetched by this agent to do predictive downloads.
beholder or
e-sense
www.vigiltech.com/esensedisclaim.html
www.vigiltech.com/esensedisclaim.html
BravoBrian
http://bstop.bravobrian.it/ (may require IE). A content filtering
service that offers protection from pornography and
other unwanted content for children. Comes from IP 213.215.133.19
bumblebee@relevare.com
Software used to build "Vortals" (vertical portals).
Details (requires Flash) can be found at
www.relevare.com/site/
Checkbot
Seems to come from www.oxxfordinfo.com who offer B2B
services
contype
Possibly Adobe Acrobat or Reader or Adobe Acrobat Reader
used with MSIE (I have been unable to confirm this)
Convera Internet Spider
A "RetrievalWare" product which claims to be a multimedia
web cralwer. www.convera.com/Products/rw_ancillis.asp
ConveraCrawler Probably related to the above
ccubee Crawler technology from http://empyreum.com/technologies/platforms/ccubee/
Custo
Tool to map the structure of a web site
www.netwu.com/custo/
CyberNavi_WebGet


UA points to www.cybertech-inc.co.jp, but there's not
much there. It crawls from 222.151.213.124 which
is http://bsearchtech.com/ (Japanese). Bablefish
suggests this is a Japanese company offering search products
DaviesBot www.wholeweb.net/web/
deepweb
Also calls itself an "Intelligent Deep-Web Robotic Agent"
A search engine indexer that will index dynamic content.
www.deepweb.com. Indexs from IP 66.96.221.180
EbiNess
http://sourceforge.net/projects/ebiness
An Open Source project to display Internet information
ina 3D format.
EmailWolf
www.pixeltech.com.au/~msw/ewolf/
email program no longer available - that's the only reason I'm
prepared to list it on this page.
Excalibur Internet Spider www.excalib.com/products/ispi/index.shtml
Expired Domain Sleuth
Hunts down popular, yet expired domain names with
a view to letting you purchase an already popular
domain name. www.expireddomainsleuth.com
Everest-Vulcan Inc./
http://everest.vulcan.com/crawlerhelp Next-generation
services rechnology (under development)
GigaBaz
GigaBazVStheWeb
crawler@brainbot.com
http://brainbot.com/
Giskard
www.oralco.com
(Trivia note: Giskard is probably named after the Isaac Asimov robot)
grub-client
Grub is a distributed, open source web crawler. Users
download the client which then indexes the web as part
of a distibuted effort www.grub.org/html/documents.php
heritrix
Open-source, extensible web crawler project
http://crawler.archive.org/
htdig
www.htdig.org
search engine software for companies and universities
http://webwarper.net




A browser accelerator. The idea is that you browser "through"
their site, taking advantage of their faster Internet connection,
caching and - most importantly - compression (of the file sent
to your browser) in return for their adverts added to the viewed pages.
Such accesses give the webwarper URL as the User Agent, concealing
the true agent of the original user.
More details at http://webwarper.net/ww.pl/0/wwgz/about.htm?*
infoGIST www.infogist.com
InterGO


www.teachersoft.com
http://browserwatch.internet.com/news/story/intergo1.html
This was a child-safe browser, nut it seems no associated
page remains
InternetArchive Presumably www.internetarchive.com, but that's in "stealth mode"
Internet Ninja www.ifour.co.jp (Japanese Macintosh browser?)
InternetSeer
A web monitoring service.
More details at www.internetseer.com/
ipiumBot
www.laurion.com/ipium-analysis.html (French)
A tool that searches for copies of your documents on
the web. Crawls from petula.laurion.net
InternetAmi IOR
www.internetami.se/ior.html robot gathering data for
an English/Swedish translation service.
InsumaScout/
www.insuma.de/insuma/de/SEscout.html
Searches data situated in open data sources.
Katriona
Something to do with the European Regional Internet Registry (RIPE)
Browses using IP address 213.219.19.148
larbin http://pauillac.inria.fr/~ailleret/prog/larbin/index-eng.html
LEIA
Unable to find
(Too many "Star Wars" references get in the way)
LexiBot www.lexibot.com
LimeBot
www.cruiselime.com/LimeBot.php Robot searching for information
on cruises. Browses using IP address 24.42.113.89
logikabot www.logika.net
Mata Hari
www.thewebtools.com
(Internet search agent)
metabot
Geographical-based text search tool. Crawls from 66.28.23.147
www.metacarta.com/products.htm
Mister Pix II Picture finder www.mister-pix.com/en/home.htm
MOSES 2.0 Spider
www.ideas2internet.com/products/moses2/
NOTE Site crashes my version of netscape 4.7
MonkeyCrawl www.monkeymethods.org. "Futuristic play".
NetCruiser
www.netcruiser-software.com/products.html
It's not clear to me which of these products this might be,
but I'm assuming it's one of them.
NPBot
www.nameprotect.com crawls from 12.148.209.196 (crawler1.crawler918.com)
A trademark protection service
NetZippy www.innerprise.net/usp-spider.asp
NutchCVS http://lucene.apache.org/nutch/bot.html. Open source web-search project
NZBot
www.navigationzone.com
Offers "information management" tools
Opencola
www.opencola.com
A search application, combining data from multiple sources
ORA_checksite


www.oreilly.com/openbook/webclient/ch06.html
Identifier used in a sample perl program in the online
book "Web Client Programming with Perl". The program is
used to check links. Obviously people have tried it, and it works :-)
Onekit.com - PAD File Get.
PAD file poller. PAD files describe software applications to
download sites.
Oxxbot1
www.oxxfordinfo.com
(Data mining bot on IP 216.0.86.75)
Pansophica
http://homepage.mac.com/zigkit/Pansophica/index.html
A Web search agent with neural net intelligence which organizes
and personalizes Web sites and searches.
Phoaks
www.phoaks.com/index.html. An index or web resources
listed in UseNet. See also
www.public.iastate.edu/~CYBERSTACKS/Aristotle.htm
phpMySearch-Crawler
http://phpMySearch.web4.hm a search engine for individual
sites.
PICgrabber
A free picture and movie locator
www.movies-free.net
PictureOfInternet
erik@malfunction.org
www.malfunction.org/poi
Seems to be a project to create a collage of images gathered
from the Internet.
PicSpider


www.bildkiste.de.vu (German). Site offers a "picture crate"
according to babelfish, which seems to be some form of
repository. Not sure why it's spidering, but crawls
from 217-20-118-26 which is part of internetserviceteam.com
PintaSpider Unable to find But the spider came from www.cnet.fr
Pita (Chub.Stanford.EDU) --
PitSpyder Thread<n>0 Unable to find
psbot
www.picsearch.org/bot.html
A bot indexing pictures. Crawls from ps.direct2internet.com
PolyBot


http://cis.poly.edu/polybot/
crawls from
weasel.poly.edu,
grampus.poly.edu,
bumblebee.poly.edu
PureSight
www.puresight.com/Products/PureSightHomeDescription.htm
(child-safe content filtering)
Rumours-Agent
Comes from IP 202.214.69.131, which a lookup
identifies as "Cross Lingual Info Research" in Japan.
RepoMonkey Bait & Tackle














A bit of detective work here. Recent entries in the
the log file link this to the site www.hungryhippo.com,
although the robot always appears to come from an IP
address at backflip.com (a bookmarking service).
Visiting www.hungryhippo.com reveals a "coming soon"
site. Looking at the HTML source leads to another page
at www.mezzaluna.net/hungryhippo.com/ (appears
identical).
The META tags for this page all appear to be references
to day trading, futures, training and the like, although
we did spot the word "fibonacci" (our favourite :-).
So... possibly a future search engine related to stock
trading?, or maybe the Monkey and Hippo are just feeding
me a red herring?
There's more. The picture on the Kenjin site at
www.kenjin.com/kenjin/info.html is currently the same as
that at HungryHippo. Kenjin is an Autonomy company.
Robot2.0(PingSoft)


There are several "PingSoft"s around, but I suspect that
this belongs to one of the products listed at
http://www.pingsoft.net/ (e.g. SmartHunter)
since I was visited froma Chinese IP address.
SilentSurf www.silentsurf.com. A surf anonymizer service
SlySearch
slysearch@slysearch.com
www.slysearch.com. A site that hunts down infringements
of intellectual property rights.
SpaceBison




http://www.proxomitron.org/
A web filter that is "ShonenWare", i.e. you should
purchase a Shonen Knife CD if you use it. Shonen Knife
are a great Japanese band, much loved by the late Kurt
Cobain. Sometimes this sets the referrer page to the
band's home page at www.mmjp.or.jp/knife/ (or maybe
the users just happen to go there themselves).
CrawlWave
www.spiderwave.aueb.gr (Greek, and requires login)
Crawls from 195.251.252.44, which is part of the
Athens University of Economics and Business (www.aueb.gr)
SpotOn
www.spoton.com
(IE add-on that organizes your browsing)
SQ Webscanner
http://macinsearch.com/users/webscanner/
(on holiday last time I looked)
Squid
www.squid-cache.org
An open-source web proxy cache for Unix systems
SquidClamAV_Redirector
http://freshmeat.net/projects/scavr/?branch_id=54042&release_id=188491
An open-source anti-virus program that I saw accessing icons
on my site (!)
Sqworm




Not 100% sure about this one. When it visited me it came
from the WebSense site 63.212.171.* (and a Google search show
others seem to see the same). At the WebSense site you
can find WebCatcher, a product used to monitor
employees web-surfing habits (as near as I can tell).
But as I say, I'm not 100% sure...
www.websense.com/products/about/webcatcher/index.cfm
Steganos Internet Anonym
www.steganos.com/?layout=default&content=products_siapro&language=en
A surf anonymizer utility
SurfControl
www.surfcontrol.com/products/web/default.aspx
content tracking product
Tagword
Tool that surveys the links in the Open Directory
at http://dmoz.org, checking their status etc.
See http://tagword.com/dmoz_survey.php
TaWWWantula Unable to find
Tcl http client package


The default identifier for any software built using
the Tcl HTTP package
http://tcl.activestate.com/software/tcltk/
http://tcl.activestate.com/man/tcl8.0/TclCmd/http.htm
TeraCrawl Unable to find
TurnitinBot
www.turnitin.com
Plagarism prevention system. Crawls from 64.140.48.25
UCmore


www.ucmore.com
A broswer plug-in (initially IE only) that searches for
related pages and categories. In my experience this
seems to entail accessing a favicon.ico file on a daily
basis (presumably to refresh the "favorites" list)
UdmSearch
http://search.mnogo.ru/
Search engine technology, as used at sites such as
www.maplesearch.com. Now called mnoGoSearch.
unchaos_crawler
www.unchaos.com. A search engine that offers a "hybrid"
of human and machine intelligence, but no search box
that I could see :-). Crawls from 192.115.134.201
unlostBot
unlostBot@unlost.com
www.unlost.com is "under construction". The robot came
from IP address 212.37.219.147 which is in France.
URLBlaze File/web search utility www.urlblaze.net
utopy
crawler@utopy.com


Coming soon at www.utopy.com (requires flash). This
venture-capital funded site is "running in stealth mode"
before launching the "new new thing" (is that a typo?).
One of the Flash pages defines Utopia (geddit?), and some
of the browsing is done by IP addresses at ...myutopy.com.
UtilMind HTTPGet
A component intended for downloading pages from the web using
standard Microsoft Windows Internet library (winInet.dll)
Listed on www.utilmind.com/delphi2.html
UrlScope Unable to find
Vagabondo


Appears to be a log analyzer for Russian BBS systems.
(I may have got that wrong). I found reference to
it being copyright John Gladkih 1998, but I've not found
any URL that gives a description (not even a Russian one).
VCI WebViewer
Web browser object, that may be incorporated into software
www.homepagesw.com/webster_dl.htm
vspider
www.verity.com/products/intspider/
A commercial spidering product.
WAVETools
A set of Delphi components offered to build Internet
applications from www.transerve.com
Webbandit
http://softwaresolutions.net/webbandit/index.htm
Collates search engine results
Webclipping.com
www.Webclipping.com
News-gathering agent
webcollage


Forms collage from randomly select web images
www.jwz.org/webcollage/ pet project of one of
the authors of Netscape. Seems to come from
differing IP nodes.
WebCompass ??? (quarterdeck search engine software)
WebGenie
www.webgenie.com/products.html. presumably one of
the CGI-based products available on this site. Possibly
the "Site Sleuth"
Web Hound
Unable to find
Or rather, I found several different "web hounds", so can't tell
which this was,
Web Magnet
www.webmagnet.com
this appears to be a tool used by this web consultancy.
WebMiner


Either http://www.tribolic.com/webminer/
or
http://www.webminer.com/webminer/index.cfm?section=overview
A tool to track down and target visitors to your website
WebPix
Tool to fetch all pictures from a web site
www.netwu.com/webpix/
Webpush www.webhauler.com/webpush.htm
WebSymmetrix
Originates in Korea, and is possibly related to their
National Computerization Agency. Uses IP address
210.183.28.39
webrank
www.webrank.com/features.asp
Search engine popularity meter.
webwasher
www.webwasher.com/en/products/wwash/functions.htm
(browser filter)
WhosTalking


http://softwaresolutions.net/whostalking/
Software that tracks Trademark usage
last time I saw it it was creating 404 errors by adding
&dg.. to each URL. Hopefully they'll fix this
www.MacroX.de
www.macrox.de (German). Appears to be an interpreter
designed to help automate regular tasks on a Windows PC.
XupiterToolbar
A toolbar that sets up www.xupiter.com as the default
search engine. There appears to be a lot of negative
press regarding this toolbar
yacy
http://yacy.net/home.html. An open source and distributed
search engine project. The above URL seems to redirect
to an IP-based one
YottaShopping_Bot


http://www-yottashopping-com/. User arent clains this is a
Shopping Search Engine, but the URL requires a login
so I was unable to verify (so I deliberately made
it's URL non-clickable). Crawled from 64.62.175.133


Sites that regularly visit

Some IP addresses, or sites may regularly visit you, although the user agent may be obscure, blank, or even change.

Here are a few that I've been able to work out

Site address(es) Description
proxy.netsetter.org




This is a site thet offers a speed-up
to your surfing, in return for being able to
monitoring people's surfing habits. The speed-ups
are acheived through a variety of techniques,
and the monitoring info is sold on, although your
privacy is protected. Visit www.netsetter.org
for more details.
pwoshoes.transport.com Not known
...lightrealm.com




This site daily reads any xml files submitted to
a shareware site in PAD format. PAD is a means for
describing shareware devised by the Association of
Shareware Professionals (www.asp-shareware.org). This site
is performing daily checks, looking to automatically
update its lists with any changes.


Other useful sites

Here are links to other sites you might find useful when looking into web robots

www.botspot.com
A Bot monitor site, with regular updates and links to
the bot's home pages.
www.htmlhelp.com/links/validators.htm A list of HTML validators
www.iplists.com


A site that lists IP addresses of search engine
bots and others. More comprehensive (and probably
more up to date) that the IP addresses shown on this
page (which tends to record the first IP address seen)
http://tool.motoricerca.info/robots-checker.phtml


An online syntax checker for robots.txt files.
Enter the URL of your robots.txt file to get it
checked and to see a summary of what effect it will
have.
www.mozilla.org/build/revised-user-agent-strings.html
Mozilla web browser project. This page describes the
conventions used for formatting the User Agent in the
form "Mozilla..."
www.robotstxt.org/wc/robots.html
A site dedicated to the robots.txt file. This page
gives some background to how robots work, although
there list of robots is quite small.
www.searchtools.com/robots/
A page collecting together a number of resources to
do with all aspects of web robots.
www.spiderhunter.com
A site primarily about "cloaking" sites - the art of
making a site look different to different visitors.
Contains articles on how to detect spiders.
www.webcab.de/wapua.htm
A site listing WAP user agent strings. These will
mostly be mobile phones
www.webmasterworld.com/forum11/index.htm


This site contains a number of forums for topics of
interest to webmasters everywhere. This particular
forum actively discusses robots and search engines
that visit your site.


...And finally, some fakers

Increasingly security and privacy concerns mean that users and companies are wary about giving away information to sites they visit through the user agent and other fields that appear in server logs.

Some browsers will allow you to select the user agent you present when visiting a site. The Opera browser does this, for example, to allow it's users to pretend to be either IE or Netscape when visiting web sites coded in a way that forgets there are other browsers in use.

Also as firewalls become more common, we will see more and more user agent fields beling blocked by the firewall, that will prevent this information being transmitted to the outside world.

Just to prove that you can never rely on the user agent, here is a selection of user agent strings I've seen in my log files that tell us nothing about the software being used (although some of them speak volumes about the person driving the software). I'm omitting any IP addresses I may have to protect the identities of those concerned :-)


"user agent" seen Comments
Bruciebot I'm assured this was created by a regular
in alt.www.webmasters :-)
Blocked by Norton
Geblokkeerd door Norton
Blockeriet von Norton
The agent has been blocked
by Norton Utilities. The refferrer
is also withheld. The second version
is Dutch. No doubt other languages occur
Don't Like AOL Oh dear. This could start a trend!
Don't be so nosey ;-) Hey! you came to my site first, remember? :-)
Don't you wish you knew. Obviously.
Go Away A bit rich from someone who came
to my site! :-)
Field blocked by AtGuard Surfer is behind the AtGuard firewall (now
part of Norton Internet Security 2000) which
prevents the true User Agent being transmitted.
http://home.pages.at/atguard/
Field blocked by Outpost www.agnitum.com
Again field is witheld by the software
Isch habe gar kein Browser ;-)
German for "I have no browser" :-)

Or so I thought, until I received the following
from Clemens Marschner

Actually it is German - with Italian accent!
The word refers to an advertisement of the Nescafe
coffee, where a smart Italian convinces a beautiful
lady to stay and drink coffee with her after she knocks
at his door to complain that his car is in the way
of hers. And after she stayed and listened to him
while he prepares the coffee with lots of gestures
and Italian speak, she again asks him to move his car,
and he goes "Isch 'abe gar keine Auto, Signorina" (I
don't even have a car, signorina). Since that
commercial was shown for years, presumably all German
web masters know it...
My Web browser is not of your business True, but no fun.
multiBlocker browser www.multiblocker.com/home.html Although this
seems to mainly offer protection against visitor
to your site, they obviously also provide a
user agent blocker for people browsing
Wabbit's don't use browsers Probably the proxy service at
http://rabbit-proxy.sourceforge.net/
Wot, no browser? (Win67; X; SK) Win67 ?!? Ah... a dream come true!
Who gives a shit? It's as least as good as Lynx Ah yes, but how do we know that?
Who wants to know? I do. :-)

Awards for this page

Spider award for achieving a top 10 position in search engines
Spidering Hacks by Kevin Hemenway and Tara Calishain I've been told this page is referenced in the book Spidering Hacks

All awards gratefully received :-)


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