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 InfoOSDevicetypeCount Percent
ssl/pop3Cyrus pop3sd2689029.655
sslTLS1.02126423.451
no match1234613.616
pop3Cyrus pop3d68817.589
psqlPervasive.SQL Server - Relational Engine49655.476
http38714.269
httpSonicWALLfirewall34043.754
chatAIM or ICQ server16131.779
pop3MailEnable POP3 ServerWindows9071.0
http-proxySquid http proxy3.1.147990.881
httplighttpd1.4.197440.821
httpAIM1.06440.71
pop3hMailServer pop3dWindows5410.597
httplighttpd1.4.293890.429
msdtcMicrosoft Distributed Transaction CoordinatorerrorWindows3390.374
pop3Qpopper pop3d4.0.82820.311
pop3Citadel pop3d2180.24
httpMicrosoft IIS httpd6.0Windows1600.176
smtp1440.159
pop3SmarterMail pop3dWindows1380.152
httpDrcomServer1.01100.121
smtpMicrosoft Exchange smtpdWindows1030.114
httpSecure Computing Sidewinder firewall http adminfirewall860.095
httpApache Tomcat/Coyote JSP engine1.1850.094
sshprotocol 1.5830.092
httpNetwave IP camera http configwebcam830.092
pop3CommuniGate Pro5.3.13810.089
httpGoAhead-Webs800.088
httpthttpd2.24 26oct2003740.082
httpAvtech AVN801 network camera1.0UPnP 1.0webcam680.075
pop3Qpopper pop3d4.0.9640.071
httpCCProxy610.067
pop3580.064
pop3qmail pop3d550.061
httpMicrosoft IIS httpd7.5Windows520.057
pop3Dovecot pop3d500.055
telnet490.054
imapCourier Imapdreleased 2004480.053
httpPDR-M8001.0480.053
httpmini_httpd1.19 19dec2003420.046
pop3Zimbra Collabration Suite pop3d410.045
tcpwrappedBSD TCP Wrappersipop3d390.043
smtpPostfix smtpd390.043
openvpnOpenVPN370.041
httpApache370.041
vncVNCprotocol 3.8350.039
pop3Microsoft Exchange 2007-2010 pop3dWindows340.037
httpApacheSSL-only mode340.037
httpApache2.2.3(CentOS)340.037
sshOpenSSH4.3protocol 2.0310.034
httpMicrosoft IIS httpd7.0Windows310.034
httpHTTPD 1.0Edongli_NAT_Ros310.034
httpBoa HTTPd0.94.14rc21300.033
socks-proxyCCProxy socks proxyunauthorized290.032
sshOpenSSH5.5p1 Debian 6+squeeze2protocol 2.0Linux270.03
pop3Qpopper pop3d4.0.5260.029
pop3Microsoft Exchange 2003 pop3d6.5.7638.1Windows250.028
httpuc-httpd1.0.0240.026
httpthttpd2.25b 29dec2003230.025
ftpMicrosoft ftpdWindows230.025
http-proxySquid http proxy2.6.STABLE12210.023
sshOpenSSH5.9p1 Debian 5ubuntu1Ubuntu Linux; protocol 2.0Linux200.022
smtpMicrosoft ESMTP6.0.3790.4675Windows200.022
httpHikvision-Webs200.022