Overview of services running on Port 50002 TCP.
~12 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	-/-	-/-	3386	27.269
http	thttpd		2545	20.496
chat	AIM or ICQ server		1759	14.166
http			883	7.111
http	lighttpd	1.4.19	376	3.028
arcserve	ARCserve Discovery		295	2.376
telnet	Linux telnetd		273	2.199
http	Microsoft HTTPAPI httpd	2.0	260	2.094
http	Microsoft IIS httpd		234	1.885
ssl	TLS	1.0	216	1.74
telnet			177	1.425
http	Boa HTTPd	0.94.14rc21	98	0.789
ftp			96	0.773
ssh			91	0.733
s2-emerge	S2 eMerge Door Access Controller		83	0.668
vnc	VNC		57	0.459
socks5			51	0.411
http	Ubicom	1.1	48	0.387
ftp	FileZilla ftpd	0.9.23 beta	44	0.354
secure-socket	CA Secure Socket Adapter		42	0.338
ftp	ProFTPD	1.3.3	41	0.33
http	thttpd	2.25b	36	0.29
http	thttpd	2.19-MX Jul 1 2010	35	0.282
ftp	Microsoft ftpd		31	0.25
telnet	IP DSLAM		27	0.217
ovm-manager	Oracle VM Manager		27	0.217
http	thttpd	2.19-MX Sep 9 2010	24	0.193
smtp	JAMES smtpd	2.3.2	23	0.185
http	WYM httpd	1.0	23	0.185
http	thttpd	2.19-MX Apr 26 2011	23	0.185
http	thttpd	2.19-MX Oct 19 2011	22	0.177
eggdrop	Eggdrop irc bot console	1.6.19	20	0.161
http	WangWnagSimpleServer	1.0	19	0.153
http	micro_httpd		19	0.153
http	RealVNC	4.0	18	0.145
http	Cisco IOS http config		18	0.145
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	17	0.137
remoting	MS .NET Remoting services		17	0.137
vnc			16	0.129
ssh	OpenSSH	4.3	15	0.121