Overview of services running on Port 257 TCP.
~3 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	Info	OS	Devicetype	Count	Percent
no match						1439	42.224
chat	AIM or ICQ server					845	24.795
http	lighttpd	1.4.19				217	6.367
http						180	5.282
http	Microsoft IIS httpd					119	3.492
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		89	2.612
ssh			protocol 1.5			57	1.673
fw1-log	Checkpoint Firewall1 logging service				firewall	45	1.32
telnet						38	1.115
http	Boa HTTPd	0.94.14rc21				23	0.675
ftp						23	0.675
arcserve	ARCserve Discovery					21	0.616