Overview of services running on Port 2161 TCP.
~51 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 Count Percent
http950318.438
sslTLS1.0724514.057
sslSSLv3719113.953
ircDancer ircd40297.817
telnetCisco 1721 router telnetd38737.515
httpSonicWALL36777.134
telnetCisco IOS telnetd28025.437
telnet24984.847
chatAIM or ICQ server21404.152
no match-/--/-14282.771
http-proxyEZproxy web proxy10031.946
http-proxyMikroTik http proxy6841.327
httpAIM1.06101.184
httplighttpd1.4.194830.937
httplighttpd1.4.294280.83
telnetCisco router telnetd4090.794
httpWangWnagSimpleServer1.02300.446
httpApache2.2.32280.442
httpGateway-Webs1920.373
httpGoAhead-Webs httpd1600.31
httpMicrosoft IIS httpd6.01380.268
ssh970.188
httpMicrosoft HTTPAPI httpd2.0930.18
httpApache Tomcat/Coyote JSP engine1.1800.155
httpNetwave IP camera http config710.138
httpMicrosoft IIS httpd710.138
httpApache2.2.14690.134
httpApache1.3.6670.13
httpAvtech AVN801 network camera1.0640.124
httpthttpd2.24620.12
httpApache620.12
httpPDR-M8001.0550.107
vncVNC530.103
httpBoa HTTPd0.94.14rc21400.078
httpApache2.2.15390.076
ftpMicrosoft ftpd390.076
arcserveARCserve Discovery360.07
sslmulti-vendor SSL340.066
httpmini_httpd1.19 19dec2003290.056
nntpINN nntpd280.054
http-proxySquid http proxy2.7.STABLE9250.049
httpGoAhead-Webs250.049
httpthttpd2.24 26oct2003230.045
httpApache2.2.11230.045
httpthttpd2.25b220.043
httpApache2.2.22220.043
httpthttpd210.041
httpHikvision-Webs210.041
httpApache2.2.16210.041
ftp210.041
httpuTorrent WebUI200.039
httpMbedthis-Appweb2.0.4190.037
httpGoAhead-Webs embedded httpd190.037
httpApache2.2.17190.037
httpApache2.0.53190.037
http-proxySquid http proxy2.6.STABLE12150.029
httpApache2.2.21150.029