Overview of services running on Port 666 TCP.
~203 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
httpthttpd2.25b19000893.306
no match17840.876
xml16980.834
chatAIM or ICQ server14530.714
httpMicrosoft IIS httpd7410.364
http6880.338
sshOpenSSH4.3protocol 2.03830.188
httplighttpd1.4.193660.18
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows2930.144
sshOpenSSH5.4p1protocol 2.02250.11
httplighttpd1.4.292130.105
smtp2070.102
sshOpenSSH5.4p1FreeBSD 20100308; protocol 2.0FreeBSD2030.1
sshOpenSSH5.3protocol 2.02000.098
sshMikroTik RouterOS sshdprotocol 2.0Linuxrouter1720.084
directconnectDirect Connect P2PWindows1700.083
sshOpenSSH5.5p1 Debian 6+squeeze2protocol 2.0Linux1390.068
sshOpenSSH5.1p1 Debian 5protocol 2.0Linux1390.068
sshOpenSSH5.8p1-hpn13v10protocol 2.01350.066
httpnginx1250.061
sshOpenSSH5.8p2_hpn13v11protocol 2.01230.06
ftp1180.058
vncVNCprotocol 3.81030.051
qdsQlikView Distribution Service11990.049
ftpMicrosoft ftpdWindows870.043
sshOpenSSH5.3p1 Debian 3ubuntu7Ubuntu Linux; protocol 2.0Linux840.041
httplighttpd830.041
sshprotocol 1.5770.038
sshOpenSSH6.0protocol 2.0770.038
http-proxyMikroTik http proxy770.038
httpthttpd2.24720.035
sshDropbear sshd0.52protocol 2.0Linux710.035
remotingMS .NET Remoting services660.032
sshOpenSSH5.8p2_hpn13v11FreeBSD 20110503; protocol 2.0FreeBSD630.031
sshOpenSSH4.5p1FreeBSD 20061110; protocol 2.0FreeBSD630.031
telnetMicrosoft Windows 2000 telnetdWindows620.03
sshOpenSSH5.5p1 Debian 6+squeeze1protocol 2.0Linux600.029
telnet560.027
httpBoa HTTPd0.94.14rc21540.027
sshOpenSSH5.1p1protocol 2.0510.025
httpthttpd510.025
httpdarkstat network analyzer httpdUnix490.024
rtsp460.023
sshOpenSSH5.9p1 Debian 5ubuntu1Ubuntu Linux; protocol 2.0Linux420.021
smtpMicrosoft Exchange smtpdWindows420.021
sshDropbear sshd0.53.1protocol 2.0Linux400.02
upnpMicrosoft Windows UPnPWindows390.019
sshOpenSSH5.1p1FreeBSD 20080901; protocol 2.0FreeBSD380.019
smtpPostfix smtpd350.017
ftpFileZilla ftpd0.9.41 betaWindows350.017
httphttp server 1.0330.016
sshOpenSSH5.2protocol 2.0320.016
arcserveARCserve Discovery320.016
vtunVtun Virtual Tunnel3.X 09/27/2010310.015
sshOpenSSH5.8protocol 2.0300.015
sshOpenSSH4.3p2 Debian 9etch3protocol 2.0Linux300.015
sshOpenSSH5.4p1_hpn13v11FreeBSD 20100308; protocol 2.0FreeBSD290.014
ftpPure-FTPd290.014
vncRealVNC Enterpriseprotocol 4.1280.014
sshOpenSSH5.6protocol 2.0260.013
httpMicrosoft IIS httpd5.1Windows260.013
sshDropbear sshd0.51protocol 2.0Linux250.012
ftpFileZilla ftpd0.9.40 betaWindows250.012
sshOpenSSH5.0protocol 2.0240.012
sshOpenSSH5.9protocol 2.0230.011
sshOpenSSH5.9p1-hpn13v11protocol 2.0230.011
sshOpenSSH5.8p1 Debian 7ubuntu1Ubuntu Linux; protocol 2.0Linux230.011
ftpvsftpd (before 2.0.8) or WU-FTPD230.011
sshOpenSSH5.2p1FreeBSD 20090522; protocol 2.0FreeBSD220.011
vncVNCprotocol 3.6210.01
sshOpenSSH5.8p1 Debian 1ubuntu3Ubuntu Linux; protocol 2.0Linux210.01
sshOpenSSH5.5p1 Debian 6protocol 2.0Linux210.01
httpGeoVision GeoHttpServer for webcamswebcam210.01
httpBoa HTTPd0.94.13200.01