Overview of services running on Port 660 TCP.
~4 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
chatAIM or ICQ server168337.659
no match-/-88519.803
httplighttpd3698.257
http2675.974
serversettingsdApple serversettingsd administration daemon1994.453
httpMicrosoft IIS httpd1773.961
sshOpenSSH1272.842
httpthttpd1102.461
httpMicrosoft HTTPAPI httpd942.103
ssh831.857
telnet410.917
vncVNC370.828
arcserveARCserve Discovery320.716
httpBoa HTTPd260.582
ftp230.515
ftpMicrosoft ftpd180.403
httpnginx160.358
smtpMicrosoft ESMTP150.336
mysqlMySQL140.313
ftpFileZilla ftpd130.291
ftpvsftpd100.224
ftpProFTPD100.224