Overview of services running on Port 6663 TCP.
~28 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						13341	46.428
irc	Dancer ircd					4066	14.15
chat	AIM or ICQ server					2143	7.458
telnet	Cisco telnetd			IOS	router	1965	6.838
irc	Unreal ircd					1308	4.552
irc	InspIRCd					791	2.753
telnet						701	2.44
http						646	2.248
http	lighttpd	1.4.19				413	1.437
http	Boa HTTPd	0.93.15				269	0.936
http	Microsoft IIS httpd					209	0.727
http	lighttpd	1.4.29				166	0.578
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		135	0.47
http	GoAhead-Webs httpd					119	0.414
ssh			protocol 1.5			94	0.327
socks5						86	0.299
http	Apache Tomcat/Coyote JSP engine	1.1				77	0.268
http	thttpd	2.24				73	0.254
http	Boa HTTPd	0.94.14rc21				56	0.195
irc	IRCnet ircd					54	0.188
vnc	VNC		protocol 3.8			50	0.174
irc						49	0.171
irc	ircu ircd					40	0.139
http	thttpd	2.25b				26	0.09
http-proxy	Squid http proxy	2.7.STABLE9				25	0.087
http	Hikvision-Webs					24	0.084
irc	ratbox ircd					23	0.08
ftp	Microsoft ftpd			Windows		23	0.08
http	thttpd					22	0.077
http-proxy	Squid http proxy	2.6.STABLE12				22	0.077
arcserve	ARCserve Discovery					21	0.073