Overview of services running on Port 50001 TCP.
~19 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						7305	37.234
http	thttpd					3818	19.461
chat	AIM or ICQ server					1590	8.104
http						1302	6.636
http	2Wire HomePortal router http config		Firmware Shasta		router	679	3.461
telnet	Linux telnetd			Linux		392	1.998
ssl	TLSv1					373	1.901
http	lighttpd	1.4.19				326	1.662
ssh	OpenSSH	4.3	protocol 2.0			254	1.295
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		233	1.188
http	Microsoft IIS httpd					218	1.111
ssl	TLS	1.0				211	1.075
telnet						199	1.014
http	MiniServ	0.01	Webmin httpd			146	0.744
ftp	FileZilla ftpd	0.9.23 beta		Windows		138	0.703
oracle-tns	Oracle TNS Listener					136	0.693
http	MiniServ	1.570	Webmin httpd			110	0.561
http	Boa HTTPd	0.94.14rc21				107	0.545
vnc	VNC		protocol 3.8			84	0.428
ssh			protocol 1.5			74	0.377
http	Agranat-EmWeb	5.2.6				69	0.352
ftp						67	0.342
http	WYM httpd	1.0				60	0.306
remoting	MS .NET Remoting services					56	0.285
ftp	Microsoft ftpd			Windows		53	0.27
http	Jetty	6.1.x				49	0.25
http	micro_httpd					40	0.204
http	thttpd	2.25b				38	0.194
ftp	ProFTPD	1.3.3		Unix		35	0.178
http	thttpd	2.19-MX Jul 1 2010			WAP	33	0.168
vnc			protocol 3			28	0.143
http	thttpd	2.19-MX Apr 26 2011			WAP	28	0.143
vnc	VNC		protocol 3.6			26	0.133
openvpn	OpenVPN					26	0.133
http	thttpd	2.19-MX Oct 19 2011			WAP	26	0.133
socks5						22	0.112
netbios-ssn						21	0.107