Overview of services running on Port 50017 TCP.
~5 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
chat	AIM or ICQ server					1836	31.077
no match						1681	28.453
psql	Pervasive.SQL Server - Relational Engine					485	8.209
http	lighttpd	1.4.19				378	6.398
http						374	6.33
http	Microsoft IIS httpd					142	2.404
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		96	1.625
ssh			protocol 1.5			86	1.456
telnet						52	0.88
http	thttpd					50	0.846
ftp	ProFTPD	1.3.3		Unix		39	0.66
ssl	TLS	1.0				37	0.626
vnc	VNC		protocol 3.8			35	0.592
ftp						31	0.525
http	Boa HTTPd	0.94.14rc21				30	0.508
http	Cisco IOS http config			IOS		23	0.389