Overview of services running on Port 1981 TCP.
~21 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
no match-/-1358961.875
ircDancer ircd272012.385
dominoconsoleLotus Domino Console16407.467
chatAIM or ICQ server9784.453
sshOpenSSH5102.322
irc-proxypsyBNC4231.926
httplighttpd2721.239
http2160.984
Sangfor-AC-3.3.0.56 build 2011-01-17/19"191980.902
SP_LFD build:2012-05-22; description: "00 update"121370.624
httpWangWnagSimpleServer1360.619
httpMicrosoft IIS httpd1240.565
telnet920.419
httpMicrosoft HTTPAPI httpd860.392
Sangfor--SG-3.3.0.56 build 2011-01-17/19"19770.351
ssh640.291
vncVNC480.219
ftp380.173
M5x00-Sangfor-AC-3.5.0.123 updated 2011-01-05/23"19300.137
httpBoa HTTPd230.105
httpnginx220.1
ftpMicrosoft ftpd220.1
ftpServ-U ftpd210.096
mysqlMySQL200.091
arcserveARCserve Discovery200.091
nntpINN nntpd190.087
ftpProFTPD160.073
sslTLS140.064
smtpMicrosoft ESMTP140.064
sshMikroTik RouterOS sshd130.059
rmiregistryJava RMI130.059
ftpFileZilla ftpd120.055
directconnectDirect Connect P2P110.05
sshDropbear sshd100.046
ftpvsftpd100.046