Overview of services running on Port 636 TCP.
~98 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
sslTLSv16734368.694
sslSSLv32103621.458
sslMicrosoft IIS SSL32333.298
chatAIM or ICQ server23002.346
no match-/-16661.699
http4150.423
httplighttpd4070.415
httpMicrosoft IIS httpd1940.198
httpthttpd1580.161
httpGoAhead-Webs httpd1290.132
httpMicrosoft HTTPAPI httpd1160.118
ssh980.1
sshOpenSSH960.098
httpApache760.078
httpBoa HTTPd570.058
vncVNC500.051
telnet470.048
arcserveARCserve Discovery390.04
http-proxySquid http proxy370.038
httpHikvision-Webs360.037
sslmulti-vendor SSL340.035
httpApache Tomcat/Coyote JSP engine310.032
mysqlMySQL260.027
ftp230.023
ftpvsftpd190.019
smtpMicrosoft ESMTP180.018
ftpMicrosoft ftpd170.017
ftpFileZilla ftpd160.016
httpnginx140.014
ftpProFTPD130.013
smtpMicrosoft Exchange smtpd110.011
http-proxyF5 BIG-IP load balancer http proxy110.011
ftpPure-FTPd110.011
telnetAllied Telesis x900-series switch telnetd100.01
smtp100.01