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 Version InfoOSDevicetypeCount Percent
no match4584242.558
qotdWindows qotdEnglishWindows4305339.969
httplighttpd1.4.191504913.971
qotdWindows qotdSpanishWindows10510.976
qotdWindows qotdPortuguese6800.631
qotdWindows qotdGerman6540.607
qotdWindows qotdItalianWindows4110.382
qotdWindows qotdFrenchWindows3950.367
netbios-ssn1730.161
socks51670.155
utorrent-udpuTorrent UDP listenerWindows830.077
qotdWindows qotdCzechWindows770.071
http240.022