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	Count	Percent
no match	-/-	7305	37.234
http	thttpd	4025	20.516
chat	AIM or ICQ server	1590	8.104
http		1303	6.642
http	2Wire HomePortal router http config	679	3.461
ssh	OpenSSH	452	2.304
telnet	Linux telnetd	392	1.998
ssl	TLSv1	373	1.901
http	lighttpd	326	1.662
http	MiniServ	260	1.325
http	Microsoft HTTPAPI httpd	243	1.239
http	Microsoft IIS httpd	218	1.111
ssl	TLS	211	1.075
ftp	FileZilla ftpd	208	1.06
telnet		201	1.025
oracle-tns	Oracle TNS Listener	136	0.693
http	Boa HTTPd	125	0.637
vnc	VNC	117	0.596
ssh		75	0.382
http	nginx	72	0.367
http	Agranat-EmWeb	71	0.362
http	Jetty	70	0.357
ftp		67	0.342
ftp	ProFTPD	66	0.336
http	WYM httpd	60	0.306
remoting	MS .NET Remoting services	56	0.285
ftp	Microsoft ftpd	54	0.275
http	micro_httpd	40	0.204
ssh	Dropbear sshd	34	0.173
mysql	MySQL	30	0.153
vnc		28	0.143
openvpn	OpenVPN	26	0.133
smtp	Microsoft ESMTP	23	0.117
socks5		22	0.112
netbios-ssn		21	0.107
vnc	RealVNC Enterprise	18	0.092
ftp	Pure-FTPd	17	0.087
ftp	Serv-U ftpd	16	0.082
arcserve	ARCserve Discovery	16	0.082
http	http server 1.0	15	0.076
http	Secure Computing Sidewinder firewall http admin	14	0.071
http	MS .NET Remoting httpd	13	0.066
http	Panasonic webcam http config	12	0.061
crestron-control	Crestron Terminal Console	12	0.061
ssh	SCS sshd	11	0.056
smtp		11	0.056
http	WangWnagSimpleServer	11	0.056
ftp	vsftpd	11	0.056
xml		10	0.051
vtun	Vtun Virtual Tunnel	10	0.051