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 Count Percent
telnetNetgear broadband router or ZyXel VoIP adapter telnetd3999247.514
http1040112.357
irc-proxypsyBNC57216.797
no match-/-47415.633
ircDancer ircd40254.782
httpSonicWALL36424.327
httpMicrosoft HTTPAPI httpd35544.223
chatAIM or ICQ server22092.625
eggdropEggdrop IRC bot console18882.243
httpstreamts (ps)18112.152
sshOpenSSH7110.845
httplighttpd6670.792
httpAIM6460.768
httpApache4600.547
http-proxySquid http proxy2830.336
httpServerView Remote Management iRMC S3 Webserver2360.28
httpMicrosoft IIS httpd1960.233
irc-proxyShroudBNC irc-proxy1580.188
httpGoAhead-Webs httpd1030.122
httpApache Tomcat/Coyote JSP engine1020.121
httpZNC IRC bouncer http config1010.12
ssh980.116
sshDropbear sshd750.089
vncVNC650.077
telnet600.071
httpuTorrent WebUI590.07
httpnginx580.069
httpNetwave IP camera http config570.068
httpAvtech AVN801 network camera530.063
smtpPostfix smtpd510.061
ircUnreal ircd510.061
httpBoa HTTPd500.059
httpDrayTek Vigor 2800-series ADSL router httpd490.058
httpZNC IRC bouncer httpd480.057
httpGoAhead-Webs400.048
ftp370.044
http-proxy3Proxy http proxy360.043
httpthttpd350.042
httpPDR-M800340.04
mysqlMySQL330.039
httpFLPS330.039
ftpFileZilla ftpd330.039
httpIcecast streaming media server320.038
directconnectDirect Connect P2P310.037
shellw4ck1ng-shell300.036
httpAllegro RomPager280.033
meterpreterMetasploit meterpreter metsvc250.03
httpJetty240.029
httpHikvision-Webs240.029
sshSCS sshd230.027
httpMiniServ230.027
ftpMicrosoft ftpd230.027
sipmini_httpd/1.19 19dec2003210.025
sshAllegroSoft RomSShell sshd180.021
httpmini_httpd180.021
ftpServ-U ftpd180.021
ftpPure-FTPd180.021
ftpProFTPD180.021
smtpMicrosoft ESMTP170.02
httpIntoto httpd170.02
sipthttpd/2.25b 29dec2003150.018
httpGeoVision GeoHttpServer for webcams150.018
sip140.017
http-proxyTinyproxy140.017
vncRealVNC Enterprise130.015
svnserveSubversion130.015
sslTLS130.015
httpuc-httpd130.015
http-proxyziproxy http proxy130.015
http-proxyMikroTik http proxy130.015
sshF-Secure sshd120.014
ftpvsftpd120.014
eggdropEggdrop irc bot console120.014
vnc110.013
upnpPortable SDK for UPnP devices110.013
upnpMicrosoft Windows UPnP110.013
smtp110.013
rtsp110.013
httpMbedthis-Appweb110.013
httpCherryPy httpd110.013
ftpvsftpd (before 2.0.8) or WU-FTPD110.013
ftpglFTPd110.013
vncRealVNC Personal100.012
socks5100.012
smtpMicrosoft Exchange smtpd100.012
smtpExim smtpd100.012
sipMbedthis-AppWeb/2.0.4100.012
http-proxyF5 BIG-IP load balancer http proxy100.012
httpGoAhead-Webs embedded httpd100.012
httpCross Web Server100.012