Overview of services running on Port 17 UDP.
~107 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
qotdWindows qotd4632142.993
no match-/-4584242.549
httplighttpd1505113.97
netbios-ssn1730.161
socks51680.156
utorrent-udpuTorrent UDP listener830.077
dominoconsoleLotus Domino Console420.039
http240.022