Overview of services running on Port 6664 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	Version	Info	OS	Devicetype	Count	Percent
no match						18622	53.03
irc	Dancer ircd					4095	11.661
chat	AIM or ICQ server					2304	6.561
telnet	Cisco telnetd			IOS	router	2033	5.789
irc	Unreal ircd					1846	5.257
irc	InspIRCd					759	2.161
telnet						709	2.019
http						673	1.917
http	lighttpd	1.4.19				425	1.21
http	Boa HTTPd	0.93.15				272	0.775
http	Microsoft IIS httpd					212	0.604
http	lighttpd	1.4.29				198	0.564
http	GoAhead-Webs httpd					152	0.433
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		139	0.396
http	thttpd	2.24				110	0.313
socks5						100	0.285
ssh			protocol 1.5			93	0.265
http	Apache Tomcat/Coyote JSP engine	1.1				86	0.245
vnc	VNC		protocol 3.8			52	0.148
irc						52	0.148
http	Boa HTTPd	0.94.14rc21				52	0.148
irc	IRCnet ircd					40	0.114
irc	ircu ircd					38	0.108
http	Hikvision-Webs					35	0.1
http	thttpd	2.25b				31	0.088
http-proxy	Squid http proxy	2.7.STABLE9				29	0.083
ftp	Microsoft ftpd			Windows		29	0.083
irc	ratbox ircd					27	0.077
http-proxy	Squid http proxy	2.6.STABLE12				26	0.074
http	thttpd					25	0.071
ftp						23	0.065
ssh	OpenSSH	4.3	protocol 2.0			21	0.06
arcserve	ARCserve Discovery					20	0.057