Overview of services running on Port 3531 TCP.
~18 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
http387721.156
ircDancer ircd355019.371
httpSonicWALL339418.52
chatAIM or ICQ server14077.678
httpApache2.2.89225.031
no match-/--/-8594.687
httpAIM1.06353.465
httplighttpd1.4.294092.232
httplighttpd1.4.193631.981
kazaa-peerpointKaZaA P2P client Peer Point Manager2591.413
httpMicrosoft IIS httpd6.02091.14
http-proxyEZproxy web proxy1060.578
httpDrcomServer1.01030.562
httpTBSR2 UPnP1010.551
upnpPortable SDK for UPnP devices1.3.1980.535
ssh810.442
httpGoAhead-Webs810.442
httpthttpd2.24 26oct2003720.393
httpApache Tomcat/Coyote JSP engine1.1710.387
httpNetwave IP camera http config680.371
httpAvtech AVN801 network camera1.0630.344
httpApache610.333
httpPDR-M8001.0510.278
httpMicrosoft IIS httpd7.5510.278
httpUbuntulucid UPnP450.246
telnet390.213
httpApache2.2.14350.191
httpApache2.2.3320.175
httpNet-OS 5.xx UPnP1.0280.153
httpMicrosoft IIS httpd7.0280.153
vncVNC270.147
httpWangWnagSimpleServer1.0270.147
nntpINN nntpd250.136
httpBoa HTTPd0.94.14rc21240.131
ftpMicrosoft ftpd240.131
httpthttpd2.25b 29dec2003230.126
httpuTorrent WebUI200.109
httpuc-httpd1.0.0200.109
httpHikvision-Webs200.109
httpApache2.2.22200.109
httpmini_httpd1.19 19dec2003190.104
httpthttpd170.093
httpMicrosoft IIS httpd160.087
httpApache1.3.28160.087
httpMbedthis-Appweb2.0.4150.082
httpApache2.2.16150.082