Overview of services running on Port 5901 TCP.
~167 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
vncVNC10263661.197
vnc116816.965
ipmi-advertiserdSuperMicro IPMI advertiserd95555.697
vncUltr@VNC Repeater64403.84
vncRealVNC Enterprise54323.239
vncRealVNC Personal42952.561
ircDancer ircd40612.421
http37602.242
httpSonicWALL36742.191
sslSSLv332271.924
no match-/-25331.51
chatAIM or ICQ server21691.293
vncApple remote desktop vnc18641.111
httplighttpd14500.865
httpAIM5920.353
httpApache3990.238
httpMicrosoft IIS httpd2510.15
sshOpenSSH2500.149
insight-managerConsul InSight Manager2150.128
vnc-httpUltr@VNC2000.119
vnc-httpRealVNC1940.116
httpthttpd1830.109
vnc-httpVNC Server Enterprise Edition httpd1390.083
httpGoAhead-Webs httpd1230.073
httpNetwave IP camera http config1110.066
httpMicrosoft HTTPAPI httpd1060.063
httpBoa HTTPd1020.061
httpApache Tomcat/Coyote JSP engine1020.061
ssh970.058
httpAvtech AVN801 network camera910.054
httpRealVNC750.045
telnet560.033
http-proxySquid http proxy560.033
httpPDR-M800550.033
vncUltr@VNC470.028
httpmini_httpd380.023
ftpMicrosoft ftpd370.022
httpGeoVision GeoHttpServer for webcams360.021
ftpvsftpd330.02
httpVNC Server Enterprise Edition280.017
mysqlMySQL270.016
httpHikvision-Webs270.016
socks-proxyCCProxy socks proxy250.015
httpuc-httpd240.014
httpRemotelyAnywhere remote PC management httpd240.014
httpnginx220.013
httpMbedthis-Appweb210.013
httpDVR Systems webcam http interface200.012
httpuTorrent WebUI190.011
httpJetty190.011
httpGoAhead-Webs190.011
vnc-httpVNC Server Personal Edition httpd180.011
http-proxyEZproxy web proxy180.011
httpGadspot/Avtech AV787 webcam http config170.01
vncRealVNC160.01
smtpMicrosoft ESMTP160.01
netbios-ssn160.01
httpWorld Client WDaemon httpd150.009
ftpProFTPD140.008
ftpFileZilla ftpd140.008
vnc-httpTightVNC130.008
sslTLSv1130.008
http-proxyF5 BIG-IP load balancer http proxy130.008
httpAllegro RomPager130.008
ftpServ-U ftpd130.008
ftpPure-FTPd130.008
ftp130.008
arcserveARCserve Discovery130.008
upnpPortable SDK for UPnP devices120.007
httpCross Web Server120.007
sslMicrosoft IIS SSL110.007
httpHttpd110.007
httpAIM HTTP110.007
sshDropbear sshd100.006
smtpPostfix smtpd100.006
openvpnOpenVPN100.006
httpD-Link DIR-300 WAP http admin100.006