Overview of services running on Port 8181 TCP.
~219 Thousand IP addresses observed from May to December 2012
To get raw lists of the data go to Download. For an explanation of what this data is and how it was obtained, see Paper.

Servicename Product Count Percent
sslSSLv36337528.822
httpMicrosoft IIS httpd4501120.47
http137426.25
httpSun GlassFish113845.177
httpApache103014.685
httpIpswitch IMail Monitor web service61462.795
no match-/-55392.519
ircDancer ircd40381.836
httpApache Tomcat/Coyote JSP engine38001.728
httpSonicWALL33241.512
httplighttpd30871.404
chatAIM or ICQ server22781.036
httpCTCFC19790.9
httpBoa HTTPd19330.879
httpIpswitch IMail web service17510.796
httpDD-WRT milli_httpd17330.788
httpMicrosoft HTTPAPI httpd16360.744
httpAllegro RomPager14720.669
httpMikroTik router config httpd12790.582
httpCherryPy httpd12690.577
httpnginx12350.562
httpNetwave IP camera http config10840.493
httpGoAhead-Webs httpd10620.483
httpSecure Computing Sidewinder firewall http admin10150.462
httpthttpd9820.447
httpTransmission BitTorrent management httpd9720.442
httpJetty9310.423
httpGeoVision GeoHttpServer for webcams9170.417
httpAvtech AVN801 network camera8390.382
httpVirata-EmWeb7910.36
upnpConexant-EmWeb7230.329
httpAIM6300.287
http-proxySquid http proxy6270.285
httpuc-httpd6120.278
httpCross Web Server5730.261
remotingMS .NET Remoting services5500.25
httpMikroTik router http config5460.248
httpise GmbH HTTP-Server v2.05080.231
httpHTTPD 1.04970.226
httpDraytek Vigor ADSL router webadmin4890.222
httpSagem F@st router httpd4800.218
httpmini_httpd4490.204
httpIntoto httpd4290.195
httpHikvision-Webs4290.195
httpLinksys router http config3700.168
httpUnknown3470.158
httpD-Link DIR-300 WAP http admin3230.147
sslTLS3060.139
httpuhttpd2740.125
httpwebcamXP.Lite2530.115
httpWindWeb2490.113
httpIndy httpd2400.109
xml-rpcABYSS httpd2070.094
http-proxySymantec firewall http proxy2020.092
httpMbedthis-Appweb1990.091
httpGoAhead-Webs embedded httpd1990.091
httpNetgear DG834G router http config1950.089
http-proxyOops! http proxy1840.084
sshOpenSSH1790.081
httpuTorrent utserver web interface1790.081
httpeWON1790.081
httpSonicWALL firewall http config1760.08
httpRouter1760.08
httpQNAP TS-219P NAS http config1740.079
httphttp server 1.01710.078
httpNetgear DG834 router http config1560.071
httpGadspot/Avtech AV787 webcam http config1460.066
telnet1420.065
httpDVR Systems webcam http interface1410.064
httpTP-LINK Router1360.062
httpIndy1290.059
httpHTTP Software 1.11270.058
httpSBox server1260.057
http-proxyHaproxy http proxy1240.056
arcserveARCserve Discovery1140.052
httpDrcomServer1.01120.051
httpIP_SHARER WEB1110.05
httpHttpd1070.049
httpEfangVHost Server1060.048
httpPDR-M8001050.048
httpZope httpd1030.047
http-proxyMikroTik http proxy1030.047
httpOpenDNS Guide1010.046
httpMiniServ990.045
httpH3C-Miniware-Webs980.045
vncVNC960.044
ssh960.044
httpTwistedWeb httpd930.042
httpCaucho Resin JSP engine910.041
xml880.04
httpMiniWeb870.04
httpMicrosoft ISA httpd870.04
upnpMicrosoft Windows UPnP860.039
httpNcWebServer/1.3.37 (Unix) mod_ssl/2.8.28 OpenSSL850.039
httpNetgear WGR614v9 WAP http config830.038
intermapperInterMapper network monitor810.037
httpNetgear DGN1000 router http config810.037
httpEmbedded HTTP Server810.037
httpD-Link/Airlink IP webcam http config750.034
httpOracle XML DB Enterprise Edition httpd740.034
sslMicrosoft IIS SSL720.033
httpSun GlassFish Open Source Edition720.033
httpWorld Client WDaemon httpd710.032
httpuTorrent WebUI710.032
httpTridium Niagara httpd690.031
httpTP-LINK WR340G WAP http config690.031
httpdcs-lig-httpd690.031
sslTLSv1680.031
httpMS-SDK-HttpServer670.03
httpNAI EPO Agent framework660.03
httphttpd 1.1650.03
httpNetgear or Linksys WAP http config640.029
httpRouter Webserver620.028
httpDigital Loggers Web Power Switch II http config620.028
httpWaveplus HTTPD590.027
httpsiyou server590.027
httpMicrosoft-HTTPAPI590.027
httpGnway Web Server580.026
httpBaseHTTPServer580.026
httpRapidLogic httpd570.026
httpNetgear FVS318 router http config550.025
httphttpd540.025
httpBoa httpd540.025
httpMicrosoft Windows Media Server530.024
shoutcastSHOUTcast server520.024
httpRhinosoft Serv-U httpd520.024
httpD-Link DCS-900 webcam http config520.024
ftpMicrosoft ftpd520.024
httpUbicom httpd500.023
httpDavid WebBox httpd500.023
httpCisco IOS http config500.023
httpwebserver490.022
httpNetgear WGR614v7 WAP http config490.022
httpTP-LINK WR740N WAP http config480.022
httpJuanNiu480.022
httpMilestone XProtect video surveillance http interface470.021
httpHTTPServer470.021
httpDreambox httpd460.021
httpWYM httpd450.02
httpNetgear DG834GT router http config450.02
httpNetgear WNR3500L WAP http config430.02
httpIceWarp webmail httpd430.02
httpTRENDnet TV-IP100 or TV-IP110 webcam display httpd420.019
httpSAP Message Server httpd420.019
httpUbicom410.019
httpLinksys PAP2 VoIP http config400.018
httpImagine Reloaded beta400.018
httpFVG318400.018
socks-proxySocks4A390.018
httpwebcamXP httpd390.018
httpGM Streaming Server httpd390.018
httpBuffalo AirStation http config390.018
ftpvsftpd390.018
httpRex media encoder http config380.017
httpNetgear WNR2000v2 WAP http config380.017
httpLotus Domino httpd380.017
httpHttpFileServer httpd380.017
httpAvamar380.017
httpWebServer(IPCamera_Logo)370.017
httpTechno Vision Security System http config370.017
httpDavid-WebBox370.017
httpBenQ projector370.017
rtspAvtech MPEG4 DVR control rtspd360.016
httpWebs360.016
http-proxyNetApp NetCache http proxy360.016
httpFnord httpd360.016
httpAirlink 101 or TRENDnet TVIP-422w webcam http config360.016
httpNetgear WNR1000v3 WAP http config350.016
shoutcast-publishingSHOUTcast publishing port340.015
httpTRENDnet TV-IP110w or TV-IP422W webcam display httpd340.015
httpQNAP TS-109-II NAS http config340.015
httpGoAhead-Webs340.015
httpChipPC Extreme httpd340.015
sshDropbear sshd330.015
httpTP-LINK WR841N WAP http config320.015
httpRWAPM X-Server 32bit Apache320.015
httpTP-LINK WR941N WAP http config310.014
httpADTRAN310.014
httpADH-Web httpd310.014
httpD-Link DI-524 http config300.014
rtsp290.013
ftpProFTPD290.013
mysqlMySQL280.013
httpPasteWSGIServer280.013
httpOwnServer1.0280.013
httpHP Integrated Lights-Out http config280.013
httpD-Link DI-804HV http config280.013
httpCitrix Metaframe ICA Browser280.013
httpWEB SERVER270.012
httpTP-LINK WR541G/542G WAP http config270.012
http-proxy3Proxy http proxy270.012
httpNEC Electra Elite IPK II WebPro270.012
sslmulti-vendor SSL260.012
ircUnreal ircd260.012
httpOracle GlassFish260.012
httpKerio MailServer http config260.012
httpGrandstream HT502 VoIP router http config260.012
httpD-Link router/Airlink NAS http config260.012
httpD-Link DCS-920 webcam http config260.012
httpXBMC Web Media Manager250.011
httpWinstone Servlet Engine250.011
httpWebFS httpd250.011
httpuClinux-httpd250.011
httpMobotix Camera http config250.011
httplinux250.011
ftp250.011
httpSmarterTools httpd240.011
httpNetgear DGN2000 router http config240.011
httpIP_SHARER WEB 1.0240.011
httpD-Link DIR-600 WAP http config240.011
smtpMicrosoft ESMTP230.01
httpTornado230.01
httpSpeedr230.01
httpSwitch220.01
httpNetwork Camera220.01
httpNetgear DG834PN router http config220.01
httpNetgear DG834 FR WAP http config220.01
httpMultView WEB Server V1.1220.01
httpESET NOD32 anti-virus update httpd220.01
httpDrayTek Vigor 3300 router http config220.01
httpDelta Networks Embedded HTTPD220.01
httpantid220.01
httpVirgin Super Hub media player http config210.01
http-proxyFreeProxy http proxy210.01
httpNetgear CVG834G cable modem http config210.01
httpMono-HTTPAPI210.01
httpLuCI Lua http config210.01
httpD-Link DCS-910 webcam http config210.01
httpcalibre210.01
vncRealVNC Personal200.009
httpZimbra http config200.009
httpVMware ESXi Server httpd200.009
httpSeagate Black Armor 440 NAS http config200.009
httpNetgear DG834 http config200.009
httpGoldStar iPECS 50B PBX http config200.009
httpCCcam card sharing system http config200.009
httpVivotek 3102 Camera http config190.009
httpRemotelyAnywhere remote PC management httpd190.009
httpNT190.009
httpNewCS satellite card sharing system http config190.009
httpMediaHouse ipMonitor httpd190.009
httpLinksys RVS4000 security router http config190.009
httpD-Link DIR-815 WAP http config190.009
vncRealVNC Enterprise180.008
smtpPostfix smtpd180.008
httpUltiDev Cassini httpd180.008
http-proxyMicrosoft Foundation Class httpd180.008
httpNetgear WNR3500 WAP http config180.008
httpNetgear WGR614v6 WAP http config180.008
httpMicrosoft IIS180.008
httpIcecast streaming media server180.008
httpHenry httpd180.008
httpEngine 12.6.1.370180.008
httpEmbedded HTTP Server.180.008
httpCrushFTP httpd180.008
ftpServ-U ftpd180.008
ftpFileZilla ftpd180.008
httpW3MFC170.008
httpVCS-VideoJet-Webserver170.008
httpSiemens Gigaset A580 or S450 VoIP phone http config170.008
httpSagem Livebox WAP http config170.008
httpNetgear DG632 router http config170.008
httpGoAhead httpd170.008
httpApache Tomcat170.008
httpVBrick DME v1.0160.007
httpUnreal Tournament http admin160.007
httpSun Java System Application Server httpd160.007
http-proxyF5 BIG-IP load balancer http proxy160.007
httpPower MOD by emits.eu160.007
httpMaipu-Webs160.007
httpIMail_Monitor160.007
httpHomeSeer Home Control Web Interface160.007
httpBlueIris-HTTP160.007
httpAPC SmartUPS http config160.007
secure-socketCA Secure Socket Adapter150.007
httpWebLogic httpd150.007
httpTeamViewer httpd150.007
http-proxyziproxy http proxy150.007
httpMiktotik Dude network monitor150.007
httpD-Link DIR-645 WAP http config150.007
ftpPure-FTPd150.007
rtspApple AirTunes rtspd140.006
httpQNAP TS-219, TS-239, or TS-509 NAS http config140.006
httpMotion Camera httpd140.006
httpi3micro VRG VoIP adapter http config140.006
httpgo1984 httpd140.006
httpGlassFish Server Open Source Edition 3.1.1140.006
httpFortinet VPN/firewall http config140.006
httpD-Link web camera http config140.006
httpD-Link G604T DSL router http config140.006
httpDI-LB604 HTTP Server140.006
httpBOSSERV140.006
httpAterm(HT)140.006
httpAquaController 4.0140.006
httpalphapd140.006
smtpMicrosoft Exchange smtpd130.006
httpWireless Network Camera130.006
httpTP-LINK WR741N WAP http config130.006
httpTP-LINK WR1043ND WAP http config130.006
httpTomato WAP firmware httpd130.006
httpNetwork Associates ePolicy Orchestrator130.006
httpNetgear WGR614v8 WAP http config130.006
httpNetEVI130.006
httpLinux130.006
httpLinksys WAG200G WAP http config130.006
httpHTTPsrv130.006
httpfec130.006
httpD-Link DI-604 http config130.006
httpConquerCam130.006
httpAudioCodes Mediant 200 VoIP gateway http config130.006
httpApache Embedded Server130.006
socks5120.005
smtp120.005
httpWindRiver-WebServer120.005
httpWebServer120.005
httpWEBrick httpd120.005
httpwebcam 7 httpd120.005
httpVivotek Network Camera120.005
httpTRMB120.005
http-proxyEZproxy web proxy120.005
httpNetPort httpd120.005
httpgen5th120.005
httpD-Link DFL-800 or DFL-860 firewall http config120.005
httpAIM HTTP120.005
vnc110.005
sshMikroTik RouterOS sshd110.005
soapgSOAP soap110.005
httpZyXEL Prestige webadmin110.005
httpWSGIServer110.005
httpTAC Xenta 511 programmable logic controller httpd110.005
httpSun ONE Web Server110.005
httpPramati Server110.005
httpOracle WebLogic Server110.005
httpNetgear WNR3500v2 WAP http config110.005
httpNetgear DG834N router http config110.005
httpiCanWebServer110.005
httpFRITZ!Box http config110.005
httpFitNesse httpd110.005
httpDahua-HTTP Server110.005
httpBoa110.005
upnpPortable SDK for UPnP devices100.005
java-rmiJava RMI100.005
httpXWeb 1.0100.005
httpwg_httpd100.005
httpWestern Digital My Book http config100.005
httpWeb-Based Enterprise Management CIM serverOpenPegasus WBEM httpd100.005
httpSatel ETHM-1 alarm control unit100.005
http-proxyMultiCertify http proxy100.005
httpOracle Application Server 10g httpd100.005
httpNetgear FS728TP switch http config100.005
httpmonit httpd100.005
httpImagiaTek100.005
httpChain Cast support service100.005
httpBlueIris100.005
httpAxigen webmail httpd100.005
httpAbyss httpd100.005