Overview of services running on Port 427 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
svrlocApple slpdMac OS357344.319
chatAIM or ICQ server151318.767
no match133716.584
httplighttpd1.4.193764.664
http2813.485
httpMicrosoft IIS httpd1692.096
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows1121.389
sshprotocol 1.5821.017
telnet500.62
arcserveARCserve Discovery420.521
httpBoa HTTPd0.94.14rc21300.372
ftp240.298
vncVNCprotocol 3.8230.285