Overview of services running on Port 646 TCP.
~33 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-/-1393941.371
http896726.614
httpSonicWALL363010.774
chatAIM or ICQ server21806.47
httplighttpd8602.552
sslSSLv37712.288
httpAIM5981.775
telnetLinux telnetd4861.442
httpApache2950.876
httpMicrosoft IIS httpd2080.617
httpthttpd1450.43
httpGoAhead-Webs httpd1060.315
ssh950.282
httpApache Tomcat/Coyote JSP engine810.24
httpMicrosoft HTTPAPI httpd760.226
sshOpenSSH730.217
httpNetwave IP camera http config680.202
httpAvtech AVN801 network camera610.181
http-proxySquid http proxy560.166
telnet540.16
httpBoa HTTPd480.142
vncVNC430.128
httpPDR-M800380.113
arcserveARCserve Discovery300.089
httpmini_httpd250.074
httpHikvision-Webs230.068
httpGoAhead-Webs230.068
mysqlMySQL220.065
httpMbedthis-Appweb210.062
ftpMicrosoft ftpd200.059
ftpvsftpd150.045
http-proxyF5 BIG-IP load balancer http proxy140.042
httpnginx140.042
httpGeoVision GeoHttpServer for webcams140.042
httpDVR Systems webcam http interface140.042
ftp140.042
httpuTorrent WebUI130.039
httpuc-httpd130.039
ftpPure-FTPd130.039
ftpProFTPD120.036
httpGadspot/Avtech AV787 webcam http config100.03
httpCross Web Server100.03
httpAIM HTTP100.03
ftpServ-U ftpd100.03