Overview of services running on Port 641 TCP.
~18 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
no match-/--/-721739.851
httpSonicWALL351819.426
http292616.157
chatAIM or ICQ server17319.558
httplighttpd1.4.294092.258
httplighttpd1.4.193862.131
httpMicrosoft IIS httpd6.01440.795
httpGoAhead-Webs httpd990.547
httpApache Tomcat/Coyote JSP engine1.1850.469
ssh830.458
httpthttpd2.24 26oct2003750.414
httpAvtech AVN801 network camera1.0630.348
httpMicrosoft IIS httpd7.5590.326
telnet450.248
arcserveARCserve Discovery320.177
vncVNC310.171
httpApache2.2.3310.171
httpBoa HTTPd0.94.14rc21300.166
httpMicrosoft IIS httpd7.0290.16
httpApache2.2.14290.16
httpApache290.16
httpmini_httpd1.19 19dec2003270.149
httpApache2.2.22270.149
httpHikvision-Webs260.144
httpthttpd2.25b 29dec2003250.138
http-proxySquid http proxy2.6.STABLE12250.138
httpuc-httpd1.0.0220.121
httpMbedthis-Appweb2.0.4180.099
ftpMicrosoft ftpd170.094
httpMicrosoft IIS httpd160.088
httpApache2.2.16160.088
sslOpenSSL150.083