Overview of services running on Port 544 TCP.
~26 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
http952535.421
httpSonicWALL365613.596
chatAIM or ICQ server26769.951
no match-/-21347.936
kshellSolaris kerberised rsh10053.737
httplighttpd9233.432
sslSSLv39043.362
httpApache9023.354
shellHP-UX Remshd7782.893
httpAIM6112.272
httpMicrosoft IIS httpd3161.175
kshellAIX (kerberized?) rshd2741.019
kshellKerberized rsh2600.967
kshellAIX kerberised rsh2340.87
sshOpenSSH1960.729
httpMicrosoft HTTPAPI httpd1670.621
httpthttpd1460.543
httpGoAhead-Webs httpd1230.457
shellNetwork Appliance Ontap rshd1190.443
ssh1040.387
vncVNC950.353
httpApache Tomcat/Coyote JSP engine820.305
httpBoa HTTPd780.29
httpNetwave IP camera http config750.279
httpAvtech AVN801 network camera710.264
arcserveARCserve Discovery670.249
http-proxySquid http proxy650.242
telnet580.216
httpPDR-M800490.182
mysqlMySQL360.134
ftpMicrosoft ftpd350.13
ftp320.119
httpmini_httpd300.112
httpnginx290.108
kshellHP-UX kerberized rsh280.104
httpHikvision-Webs280.104
ftpvsftpd250.093
ftpFileZilla ftpd240.089
directconnectDirect Connect P2P240.089
smtp210.078
httpMbedthis-Appweb210.078
smtpMicrosoft ESMTP200.074
rtsp190.071
vncRealVNC Enterprise170.063
ftpProFTPD170.063
httpGeoVision GeoHttpServer for webcams160.059
ftpServ-U ftpd160.059
httpuTorrent WebUI150.056
httpGoAhead-Webs150.056
httpDVR Systems webcam http interface150.056
vncRealVNC Personal140.052
vnc140.052
smtpMicrosoft Exchange smtpd140.052
httpuc-httpd140.052
ftpPure-FTPd140.052
http-proxyF5 BIG-IP load balancer http proxy130.048
sshDropbear sshd120.045
httpJetty120.045
httpGadspot/Avtech AV787 webcam http config120.045
httpCross Web Server120.045
sslTLS110.041
httpAIM HTTP110.041
domainISC BIND110.041
sslMicrosoft IIS SSL100.037
openvpnOpenVPN100.037
httpWYM httpd100.037
httpMS-SDK-HttpServer100.037