Overview of services running on Port 990 TCP.
~304 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
sslSSLv326225286.027
httpnginx99923.278
ftpServ-U ftpd61132.005
http60191.974
no match-/-27690.908
httpSonicWALL23820.781
ftpFileZilla ftpd21760.714
ftpProFTPD20910.686
chatAIM or ICQ server19600.643
ftpvsftpd19530.641
ftp14190.465
httplighttpd7450.244
ftpGene6 ftpd4450.146
sslMicrosoft IIS SSL4370.143
sslTLSv14010.132
httpAIM3750.123
httpMicrosoft IIS httpd2440.08
ftpWS FTPd2370.078
httpApache2360.077
ftpPure-FTPd1780.058
sshOpenSSH1450.048
httpthttpd1330.044
ssh1180.039
httpMicrosoft HTTPAPI httpd1160.038
httpGoAhead-Webs httpd1120.037
sslTLS960.031
ftpMicrosoft ftpd850.028
ftpSynology DiskStation NAS ftpd650.021
http-proxySquid http proxy630.021
httpApache Tomcat/Coyote JSP engine630.021
ftpvsftpd (before 2.0.8) or WU-FTPD590.019
httphttpd550.018
httpNetwave IP camera http config540.018
telnet500.016
sshWeOnlyDo sshd480.016
httpAvtech AVN801 network camera470.015
httpBoa HTTPd450.015
vncVNC440.014
arcserveARCserve Discovery340.011
httpPDR-M800320.01
sshCoreFTP sshd310.01
httpFastReport Server300.01
sshBitvise WinSSHD240.008
mysqlMySQL220.007
ftpzFTPServer210.007
httpHikvision-Webs190.006
sshSrSshServer180.006
mongodbMongoDB180.006
httpmini_httpd180.006
httpuc-httpd160.005
httpuTorrent WebUI150.005
tcpwrappedBSD TCP Wrappers140.005
smtp140.005
httpCross Web Server130.004
ftpIBM OS/390 ftpd130.004
httpHTTPD 1.0120.004
httpGoAhead-Webs120.004
httpGeoVision GeoHttpServer for webcams120.004
sshWS_FTP sshd110.004
smtpPostfix smtpd110.004
httpMbedthis-Appweb110.004
ftpoftpd110.004
vncRealVNC Personal100.003
smtpMicrosoft Exchange smtpd100.003
openvpnOpenVPN100.003
damewaremrDameWare Mini Remote Control100.003