Overview of services running on Port 8333 TCP.
~9 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
irc	Dancer ircd					3661	39.967
chat	AIM or ICQ server					1532	16.725
no match						1180	12.882
http						502	5.48
http	Microsoft IIS httpd					489	5.338
http	lighttpd	1.4.19				355	3.876
http	Secure Computing Sidewinder firewall http admin				firewall	351	3.832
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		135	1.474
eggdrop	Eggdrop IRC bot console	1.6.20				110	1.201
ssh			protocol 1.5			89	0.972
http	Jetty	8.0.y.z-SNAPSHOT				61	0.666
telnet						50	0.546
vnc	VNC		protocol 3.8			30	0.328
http	Boa HTTPd	0.94.14rc21				23	0.251
rpcbind						21	0.229
http	Jetty	6.1.25				20	0.218