Overview of services running on Port 44 TCP.
~7 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
sslSSLv3136918.836
chatAIM or ICQ server123016.924
sshOpenSSH104914.433
no match-/-104814.419
http5086.99
httpMicrosoft IIS httpd2283.137
httplighttpd2112.903
httpGoAhead-Webs httpd1722.367
httpMicrosoft HTTPAPI httpd1451.995
httpthttpd1121.541
ssh971.335
sshMikroTik RouterOS sshd821.128
sshDropbear sshd761.046
httpApache731.004
ftpMicrosoft ftpd731.004
telnet640.881
httpBoa HTTPd570.784
httpnginx360.495
ftpFileZilla ftpd360.495
httpHikvision-Webs320.44
ftp290.399
httpApache Tomcat/Coyote JSP engine270.371
vncVNC240.33
ftpvsftpd220.303
ftpServ-U ftpd210.289
smtpExim smtpd180.248
mysqlMySQL170.234
ftpPure-FTPd170.234
smtp160.22
httpBoa httpd150.206
ftpProFTPD150.206
directconnectDirect Connect P2P150.206
http-proxySquid http proxy140.193
httpRouter Webserver120.165
smtpMicrosoft ESMTP110.151
telnetLinux telnetd100.138
httphttp server 1.0100.138