Overview of services running on Port 6670 TCP.
~17 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
irc	Dancer ircd	4049	23.535
chat	AIM or ICQ server	2167	12.596
telnet	Cisco telnetd	2011	11.689
no match	-/-	1662	9.661
http		1397	8.12
http	lighttpd	940	5.464
eggdrop	Eggdrop IRC bot console	928	5.394
telnet		692	4.022
http-proxy	Squid http proxy	376	2.186
irc	Unreal ircd	338	1.965
http	thttpd	214	1.244
http	Microsoft IIS httpd	211	1.226
http	Microsoft HTTPAPI httpd	121	0.703
ssh		101	0.587
http	GoAhead-Webs httpd	99	0.575
vnc	VNC	89	0.517
ssh	OpenSSH	86	0.5
http	Apache	61	0.355
http	Boa HTTPd	60	0.349
irc	InspIRCd	49	0.285
ftp	Microsoft ftpd	45	0.262
irc	ircu ircd	44	0.256
eggdrop	Eggdrop irc bot console	35	0.203
http	Apache Tomcat/Coyote JSP engine	32	0.186
mysql	MySQL	29	0.169
irc	IRCnet ircd	22	0.128
http	Hikvision-Webs	21	0.122
ftp	FileZilla ftpd	20	0.116
http	nginx	19	0.11
irc		18	0.105
ftp	vsftpd	18	0.105
smtp	Microsoft ESMTP	17	0.099
irc	IRCnet-based ircd	17	0.099
ftp	ProFTPD	17	0.099
ftp		16	0.093
vnc	RealVNC Personal	14	0.081
arcserve	ARCserve Discovery	14	0.081
irc-proxy	ShroudBNC irc-proxy	13	0.076
ftp	Pure-FTPd	13	0.076
tcpwrapped	BSD TCP Wrappers	12	0.07
ssl	TLS	12	0.07
http	Jetty	12	0.07
teamspeak	TeamSpeak voice communication	11	0.064
smtp		11	0.064
telnet	EPIX Your Worldwide Internet Access	10	0.058
smtp	Microsoft Exchange smtpd	10	0.058
napster	WinMX or Lopster Napster P2P client	10	0.058
http	Panasonic webcam http config	10	0.058
http	http server 1.0	10	0.058
http	GeoVision GeoHttpServer for webcams	10	0.058