Overview of services running on Port 3001 TCP.
~35 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	-/-	18772	52.794
irc	Dancer ircd	3472	9.765
http	Boa HTTPd	1775	4.992
telnet		1590	4.472
chat	AIM or ICQ server	1443	4.058
ssh	OpenSSH	1173	3.299
http		1044	2.936
http	Jetty	907	2.551
telnet	Cisco 1721 router telnetd	811	2.281
http	Microsoft IIS httpd	483	1.358
telnet	NewCS card sharing system telnetd	449	1.263
telnet	Cisco IOS telnetd	441	1.24
http	lighttpd	365	1.027
http	nginx	285	0.802
http	Microsoft HTTPAPI httpd	222	0.624
telnet	VxWorks telnetd	221	0.622
sdlog	RSA SecureID Ace Server	107	0.301
vnc	VNC	96	0.27
http	WangWnagSimpleServer	86	0.242
ssh		83	0.233
ftp	Microsoft ftpd	83	0.233
telnet	Cisco router telnetd	81	0.228
upnp	Microsoft Windows UPnP	72	0.202
telnet	ser2net telnetd	70	0.197
arcserve	ARCserve Discovery	68	0.191
mysql	MySQL	61	0.172
progress	Progress Database	57	0.16
ftp		57	0.16
smtp	Postfix smtpd	52	0.146
http	webserver	45	0.127
openvpn	OpenVPN	41	0.115
ssh	Cisco SSH	39	0.11
telnet	Allied Telesis x900-series switch telnetd	38	0.107
ftp	Serv-U ftpd	37	0.104
ssl	TLS	34	0.096
ssh	Dropbear sshd	33	0.093
ftp	FileZilla ftpd	32	0.09
eggdrop	Eggdrop IRC bot console	32	0.09
http	thttpd	29	0.082
xml		26	0.073
nntp	INN nntpd	26	0.073
vnc		23	0.065
ftp	ProFTPD	22	0.062
directconnect	Direct Connect P2P	22	0.062
ormi	Oracle Remote Method Invocation	21	0.059
smtp		17	0.048
ovm-manager	Oracle VM Manager	17	0.048
pppctl	pppctld	16	0.045
smtp	Microsoft ESMTP	14	0.039
ftp	vsftpd	14	0.039
psql	Pervasive.SQL Server - Relational Engine	13	0.037
vnc	RealVNC Enterprise	12	0.034
socks5		12	0.034
rifa-dvr	Rifatron DVR	12	0.034
vnc	RealVNC Personal	11	0.031
irc-proxy	psyBNC	11	0.031
telnet	Linux telnetd	10	0.028
remoting	MS .NET Remoting services	10	0.028
ntop-http	Ntop web interface	10	0.028