Overview of services running on Port 995 TCP.
~90 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
ssl/pop3Cyrus pop3sd2689029.655
sslTLS1.02126423.451
no match-/--/-1234613.616
pop3Cyrus pop3d68817.589
psqlPervasive.SQL Server - Relational Engine49655.476
http38944.294
httpSonicWALL34043.754
chatAIM or ICQ server16131.779
pop3MailEnable POP3 Server9071.0
http-proxySquid http proxy3.1.147990.881
httplighttpd1.4.197450.822
httpAIM1.06440.71
pop3hMailServer pop3d5410.597
httplighttpd1.4.293890.429
msdtcMicrosoft Distributed Transaction Coordinator3390.374
pop3Qpopper pop3d4.0.82820.311
pop3Citadel pop3d2180.24
httpMicrosoft IIS httpd6.01600.176
smtp1440.159
pop3SmarterMail pop3d1380.152
httpDrcomServer1.01100.121
smtpMicrosoft Exchange smtpd1040.115
httpApache Tomcat/Coyote JSP engine1.1870.096
ssh860.095
httpSecure Computing Sidewinder firewall http admin860.095
httpNetwave IP camera http config830.092
pop3CommuniGate Pro5.3.13810.089
httpGoAhead-Webs800.088
httpthttpd2.24 26oct2003740.082
httpApache710.078
httpAvtech AVN801 network camera1.0680.075
pop3Qpopper pop3d4.0.9640.071
tcpwrappedBSD TCP Wrappers630.069
httpCCProxy610.067
pop3580.064
pop3qmail pop3d550.061
httpMicrosoft IIS httpd7.5520.057
imapCourier Imapd510.056
telnet500.055
pop3Dovecot pop3d500.055
httpApache2.2.3500.055
pop3Google Gmail pop3d480.053
httpPDR-M8001.0480.053
vncVNC450.05
httpmini_httpd1.19 19dec2003420.046
pop3Zimbra Collabration Suite pop3d410.045
smtpPostfix smtpd390.043
openvpnOpenVPN370.041
httpApache2.2.14370.041
pop3Microsoft Exchange 2007-2010 pop3d340.037
httpApache2.2.22340.037
sshOpenSSH4.3310.034
httpMicrosoft IIS httpd7.0310.034
httpHTTPD 1.0310.034
pop3Microsoft Exchange 2003 pop3d6.5.7638.1300.033
httpBoa HTTPd0.94.14rc21300.033
socks-proxyCCProxy socks proxy290.032
sshOpenSSH5.5p1 Debian 6+squeeze2270.03
pop3Qpopper pop3d4.0.5260.029
httpuc-httpd1.0.0240.026
httpthttpd2.25b 29dec2003230.025
ftpMicrosoft ftpd230.025
http-proxySquid http proxy2.6.STABLE12210.023
sshOpenSSH5.9p1 Debian 5ubuntu1200.022
smtpMicrosoft ESMTP6.0.3790.4675200.022
httpHikvision-Webs200.022
sshOpenSSH5.0190.021
httpMicrosoft IIS httpd190.021
httpMbedthis-Appweb2.0.4180.02
sshOpenSSH5.3170.019
smtpMailEnable smptd5.10--170.019
pop3DBMail pop3d170.019
httpGadspot/Avtech AV787 webcam http config170.019
httpApache2.2.16170.019
sshOpenSSH5.3p1 Debian 3ubuntu7160.018
sshOpenSSH5.1p1 Debian 5160.018
smtpSendmail8.13.8/8.13.8160.018
httpApache2.2.9150.017
httpApache2.2.15150.017