Overview of services running on Port 43 TCP.
~8 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
no match357941.928
chatAIM or ICQ server170719.998
httplighttpd1.4.294875.705
http4865.694
httplighttpd1.4.194004.686
whoisgwhoisUses whois.arin.net:431872.191
httpMicrosoft IIS httpd1802.109
telnetLinux telnetdLinux1261.476
irrMerit Internet Routing Registry951.113
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows951.113
sshprotocol 1.5901.054
ftpMicrosoft ftpdWindows820.961
telnet700.82
vncVNCprotocol 3.8390.457
httpBoa HTTPd0.94.14rc21270.316
ftp260.305
httplighttpd220.258
whoisPublic Interest Registry whois server200.234
httpthttpd2.25b200.234
httpthttpd200.234