Overview of services running on Port 513 TCP.
~156 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 Count Percent
fw1-rloginCheck Point FireWall-1 authenticated RLogin server4921131.412
no match-/--/-3363821.472
loginAirspan MiMAX WiMAX WAP logind3282120.95
login2264914.457
tandem-printSharp printer tandem printing127118.114
chatAIM or ICQ server21681.384
secure-socketCA Secure Socket Adapter6930.442
httplighttpd1.4.194060.259
http3320.212
loginOpenVMS logind2320.148
httpMicrosoft IIS httpd1880.12
loginLantronix MSS100 serial interface logind3.61450.093
loginTru64 Unix logind1250.08
httpMicrosoft HTTPAPI httpd2.01030.066
ssh980.063
loginAtaman ATRLS rlogind870.056
tcpwrappedBSD TCP Wrappers790.05
loginSiemens HiPath logind770.049
telnet590.038
vncVNC580.037
arcserveARCserve Discovery380.024
httpBoa HTTPd0.94.14rc21280.018
ftp280.018
loginDigital UNIX login220.014
ftpMicrosoft ftpd190.012
sshOpenSSH4.3170.011
sshOpenSSH5.3p1 Debian 3ubuntu7150.01
loginFabricOS switch logind150.01