Overview of services running on Port 123 UDP.
~217 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-/--/-12239256.144
ntpNTPv47291633.448
ntpNTPv32210510.14
ntpMicrosoft NTP3410.156
netbios-ssn1200.055
socks5910.042
dominoconsoleLotus Domino Console230.011