Overview of services running on Port 1723 TCP.
~289 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
pptpPoint to Point Tunneling Protocol24932185.986
http128304.425
no match-/-78142.695
ircDancer ircd40381.393
httpSonicWALL38931.343
telnetDraytek Vigor ADSL router telnetd26190.903
chatAIM or ICQ server23030.794
sslSSLv314350.495
httpAIM6060.209
httpApache4760.164
sshDrayTek Vigor 2820n ADSL router sshd4620.159
httpDraytek Vigor ADSL router webadmin3430.118
httpMicrosoft IIS httpd3080.106
httplighttpd2790.096
sshDrayTek Vigor 2820 ADSL router sshd2230.077
httpWangWnagSimpleServer2090.072
sshOpenSSH1910.066
httpthttpd1660.057
openvpnOpenVPN1400.048
httpuTorrent WebUI1230.042
httpGoAhead-Webs httpd1120.039
httpMicrosoft HTTPAPI httpd1040.036
ssh950.033
httpApache Tomcat/Coyote JSP engine860.03
httpNetwave IP camera http config800.028
httpBoa HTTPd740.026
httpAvtech AVN801 network camera700.024
http-proxySquid http proxy660.023
vncVNC590.02
telnet580.02
httpPDR-M800500.017
ftpMicrosoft ftpd360.012
httpmini_httpd350.012
arcserveARCserve Discovery350.012
ftpDrayTek Vigor router ftpd330.011
httpGoAhead-Webs310.011
nntpINN nntpd280.01
mysqlMySQL270.009
ftpDrayTek Vigor 2820 ADSL router ftpd250.009
sshDropbear sshd220.008
httpnginx200.007
httpCisco IOS http config200.007
smtpMicrosoft ESMTP190.007
httpMbedthis-Appweb190.007
ftpServ-U ftpd190.007
httpuc-httpd170.006
sshWeOnlyDo sshd160.006
httpHikvision-Webs150.005
ftpvsftpd150.005
sslTLS140.005
ftpProFTPD140.005
ftpFileZilla ftpd140.005
ftp140.005
smtpMicrosoft Exchange smtpd130.004
httpDVR Systems webcam http interface130.004
httpCross Web Server130.004
ftpPure-FTPd130.004
flexlmFlexLM license manager130.004
httpTeamViewer httpd120.004
http-proxyF5 BIG-IP load balancer http proxy120.004
httpGadspot/Avtech AV787 webcam http config120.004
httpAIM HTTP120.004
upnpPortable SDK for UPnP devices110.004
httpGeoVision GeoHttpServer for webcams110.004
telnetLinux telnetd100.003
sshSCS sshd100.003
http-proxyMikroTik http proxy100.003
httpMS-SDK-HttpServer100.003
jdoc100.003