Overview of services running on Port 31337 TCP.
~84 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 Version InfoOSDevicetypeCount Percent
telnetNetgear broadband router or ZyXel VoIP adapter telnetd3999247.514
http1035612.304
no match47415.633
ircDancer ircd40254.782
httpSonicWALLfirewall36424.327
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows35544.223
irc-proxypsyBNC2.3.2-734994.157
chatAIM or ICQ server22092.625
eggdropEggdrop IRC bot console1.6.2118842.238
httpstreamts (ps)18112.152
irc-proxypsyBNC2.3.2-96580.782
httpAIM1.06460.768
irc-proxypsyBNC2.3.2-45610.667
irc-proxypsyBNC2.3.14520.537
httplighttpd1.4.194090.486
irc-proxypsyBNC2.3BETA3580.425
httpServerView Remote Management iRMC S3 Webserver2360.28
httplighttpd1.4.291980.235
httpMicrosoft IIS httpd6.0Windows1240.147
http-proxySquid http proxy3.1.191150.137
sshOpenSSH5.1p1FreeBSD 20080901; protocol 2.0FreeBSD1100.131
httpGoAhead-Webs httpd1000.119
httpApache Tomcat/Coyote JSP engine1.1990.118
irc-proxyShroudBNC irc-proxy1.1 revision 371970.115
sshprotocol 1.5950.113
httpZNC IRC bouncer http config0.097 or later850.101
sshOpenSSH4.3protocol 2.0760.09
http-proxySquid http proxy690.082
irc-proxypsyBNC2.2.1620.074
telnet600.071
sshOpenSSH4.5p1FreeBSD 20061110; protocol 2.0FreeBSD600.071
sshDropbear sshd0.52protocol 2.0Linux600.071
httpuTorrent WebUIWindows590.07
httpApache590.07
httpNetwave IP camera http configwebcam570.068
sshOpenSSH5.3protocol 2.0560.067
httpAvtech AVN801 network camera1.0UPnP 1.0webcam530.063
smtpPostfix smtpd510.061
ircUnreal ircd510.061
vncVNCprotocol 3.8500.059
httpDrayTek Vigor 2800-series ADSL router httpdbroadband router490.058
httpZNC IRC bouncer httpd0.090 - 0.096480.057
sshOpenSSH5.9p1 Debian 5ubuntu1Ubuntu Linux; protocol 2.0Linux460.055
irc-proxypsyBNC2.3.2-6BETA5430.051
sshOpenSSH5.5p1 Debian 6+squeeze2protocol 2.0Linux410.049
irc-proxyShroudBNC irc-proxy1.2 revision 1080390.046
http-proxySquid http proxy3.1.16380.045
httpGoAhead-Webs380.045
irc-proxypsyBNCLogin Failed370.044
ftp370.044
http-proxy3Proxy http proxy360.043
httpPDR-M8001.0340.04
httpFLPS330.039
httpIcecast streaming media server320.038
directconnectDirect Connect P2PWindows310.037
shellw4ck1ng-shell0.3**BACKDOOR**300.036
httpBoa HTTPd0.94.14rc21300.036
httpApacheSSL-only mode260.031
sshOpenSSH5.1p1 Debian 5protocol 2.0Linux250.03
meterpreterMetasploit meterpreter metsvc**BACKDOOR**250.03
httpHikvision-Webs240.029
httpMicrosoft IIS httpd7.5Windows230.027
httpApache2.2.3(CentOS)230.027
sshOpenSSH4.4protocol 2.0220.026
irc-proxyShroudBNC irc-proxy1.2 revision 1045220.026
sipmini_httpd/1.19 19dec2003Status: 501 Not Implemented210.025
ftpMicrosoft ftpdWindows210.025