Overview of services running on Port 13 UDP.
~97 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 match2719728.004
daytimeMicrosoft Windows USA daytimeWindows1959120.172
daytimeUnix1694917.452
daytimeMicrosoft Windows International daytimeWindows1424814.671
httplighttpd1.4.1982858.531
daytimeMicrosoft Windows daytimeWindows50795.23
daytimeSun Solaris daytimeSolaris33423.441
daytime13821.423
daytimeTardis 2000 daytime5930.611
daytimeMicrosoft Windows 7 daytime870.09
chargen770.079
daytimeHP-UX daytimeHP-UX720.074
netbios-ssn570.059
socks5500.051
chargenxinetd chargenUnix500.051
daytimeTrueTime nts100260.027