Overview of services running on Port 3333 TCP.
~74 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						39919	53.23
eggdrop	Eggdrop IRC bot console	1.6.21				4847	6.463
irc	Dancer ircd					4057	5.41
eggdrop	Eggdrop IRC bot console	1.6.20				2496	3.328
chat	AIM or ICQ server					2309	3.079
http						1576	2.102
ssh	OpenSSH	4.3	protocol 2.0			1301	1.735
http	Microsoft IIS httpd					1086	1.448
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		800	1.067
eggdrop	Eggdrop irc bot console					628	0.837
http	Boa HTTPd	0.94.14rc21				565	0.753
http	lighttpd	1.4.19				471	0.628
http	lighttpd	1.4.29				427	0.569
mysql	MySQL		unauthorized			400	0.533
mysql	MySQL	5.5.25-cll				396	0.528
http	Boa httpd					337	0.449
mysql	MySQL	3.23.57				313	0.417
http	GoAhead-Webs httpd					261	0.348
vnc	VNC		protocol 3.8			239	0.319
ssh	Dropbear sshd	0.52	protocol 2.0	Linux		227	0.303
ftp						226	0.301
http	WangWnagSimpleServer	1.0				221	0.295
irc-proxy	psyBNC	2.3.2-7				217	0.289
http-proxy	Squid http proxy	2.7.STABLE8				187	0.249
remoting	MS .NET Remoting services					180	0.24
ssl	TLS	1.0				178	0.237
eggdrop	Eggdrop irc bot console	1.6.19+ctcpfix	botname: unknown			174	0.232
telnet	utelnetd			Unix		173	0.231
http	Apache Tomcat/Coyote JSP engine	1.1				160	0.213
vnc	VNC		protocol 3.6			149	0.199
http-proxy	Squid http proxy	2.7.STABLE9				148	0.197
irc-proxy	psyBNC	2.3.1				147	0.196
http	thttpd	2.25b				144	0.192
http-proxy	Fortech Proxy+ http admin	4.00 Build 402		Windows		144	0.192
openvpn	OpenVPN					143	0.191
http	thttpd	2.24				140	0.187
ssh	Dropbear sshd	0.51	protocol 2.0	Linux		138	0.184
ssh	OpenSSH	3.9p1	protocol 2.0			136	0.181
ftp	Microsoft ftpd			Windows		133	0.177
http	thttpd					132	0.176
http	Boa HTTPd	0.94.13				129	0.172
eggdrop	Eggdrop irc bot console	1.6.18	botname: bitchX			117	0.156
ssh	OpenSSH	5.1p1 Debian 5	protocol 2.0	Linux		114	0.152
ssh	OpenSSH	5.3	protocol 2.0			113	0.151
http-proxy	Fortech Proxy+ http admin	4.00 Build 402	2 concurrent users allowed	Windows		113	0.151
insight-manager	Consul InSight Manager					105	0.14
eggdrop	Eggdrop irc bot console	1.6.19+Gentoo	botname: Wanker			103	0.137
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	protocol 2.0	Linux		102	0.136
directconnect	Direct Connect P2P			Windows		101	0.135
ssh			protocol 1.5			100	0.133
telnet						89	0.119
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	Ubuntu Linux; protocol 2.0	Linux		85	0.113
ftp	vsftpd (before 2.0.8) or WU-FTPD					85	0.113
ssh	OpenSSH	5.9p1 Debian 5ubuntu1	Ubuntu Linux; protocol 2.0	Linux		84	0.112
http	Xymphony-WS					81	0.108
eggdrop	Eggdrop irc bot console	1.6.19	botname: Tin-Tin			81	0.108
arcserve	ARCserve Discovery					78	0.104
mysql	MySQL	5.0.51b-community-nt				77	0.103
ssh	OpenSSH	5.8p1-hpn13v10	protocol 2.0			76	0.101
http-proxy	Squid http proxy	2.6.STABLE20				75	0.1
http	Virata-EmWeb	6.0.1				74	0.099
http	Hikvision-Webs					73	0.097
ftp	Pure-FTPd					72	0.096
http	lighttpd	1.4.26				69	0.092
ssh	OpenSSH	3.4p1	protocol 1.99			67	0.089
http	World Client WDaemon httpd	4.0	Alt-N MDaemon webmail	Windows		65	0.087
telnet	Linux telnetd			Linux		64	0.085
http-proxy	Squid http proxy	2.6.STABLE21				62	0.083
http	Router					60	0.08
vnc	RealVNC Personal		protocol 4.0			59	0.079
telnet	foobar2000 remote control telnetd	1.0.2		Windows		59	0.079
svnserve	Subversion					58	0.077
beep						58	0.077
ssh	MikroTik RouterOS sshd		protocol 2.0	Linux	router	57	0.076
eggdrop	Eggdrop irc bot console	1.6.19+ctcpfix	botname: Mari			57	0.076
netbios-ssn						56	0.075
http	TP-LINK Router					55	0.073
ssh	OpenSSH	5.5p1 Debian 6+squeeze1	protocol 2.0	Linux		54	0.072
ssh	OpenSSH	2.3.0 mikrotik 2.9	protocol 1.99		router	54	0.072
rsync			protocol version 30			54	0.072
ftp	vsftpd	2.0.8 or later				54	0.072
ssh	OpenSSH	3.9p1	protocol 1.99			49	0.065
ssh	OpenSSH	3.6.1p2	protocol 2.0			49	0.065
ssh	Force10 switch sshd		protocol 2.0			47	0.063
telnet	foobar2000 remote control telnetd	1.0.1		Windows		46	0.061
http	Boa HTTPd	0.94.14rc20				46	0.061
eggdrop	Eggdrop IRC bot console					45	0.06
http-proxy	MikroTik http proxy					44	0.059
vnc	RealVNC Enterprise		protocol 4.1			42	0.056
ssh	OpenSSH	5.8p1 Debian 7ubuntu1	Ubuntu Linux; protocol 2.0	Linux		42	0.056
http	http server 1.0					42	0.056
ssh	OpenSSH	5.4p1	FreeBSD 20100308; protocol 2.0	FreeBSD		41	0.055
ssh	OpenSSH	5.5	protocol 2.0			39	0.052
ssh	OpenSSH	5.6	protocol 2.0			38	0.051
ssh	OpenSSH	4.7p1 Debian 12	protocol 2.0	Linux		38	0.051
http	Apache	2.2.3				38	0.051
http	GeoVision GeoHttpServer for webcams				webcam	36	0.048
http	Apache	2.2.16				36	0.048
http	Apache	2.0.55	DAV/2			35	0.047
mysql	MySQL	5.1.41-3ubuntu12				34	0.045
ssh	OpenSSH	5.8p2_hpn13v11	FreeBSD 20110503; protocol 2.0	FreeBSD		33	0.044
ssh	Cisco SSH	1.25	protocol 2.0	IOS		33	0.044
smtp	Postfix smtpd					32	0.043
ftp	Serv-U ftpd	6.4		Windows		32	0.043
ssh	OpenSSH	5.1	protocol 2.0			31	0.041
http	lighttpd					31	0.041
http	Panasonic webcam http config				webcam	30	0.04
http	Cross Web Server					30	0.04
mysql	MySQL	5.0.51a-community-nt				29	0.039
http	webserver	1.0				29	0.039
ssh			protocol 2.0			28	0.037
ssh	OpenSSH	5.8	protocol 2.0			28	0.037
ssh	OpenSSH	5.2	protocol 2.0			28	0.037
nntp	INN nntpd		posting ok			28	0.037
http-proxy	Squid http proxy	3.1.10				28	0.037
http	Microsoft IIS httpd	5.1		Windows		28	0.037
ftp	FileZilla ftpd	0.9.41 beta		Windows		28	0.037
upnp	Microsoft Windows UPnP			Windows		26	0.035
http	thttpd	2.19-MX Jul 1 2010			WAP	26	0.035
http	Apache	2.2.16	mod_ssl/2.2.16 OpenSSL/1.0.0a mod_python/3.3.1-ts Python/2.5.4			26	0.035
http	Apache	2.0.63	PHP/5.2.6			26	0.035
ssh	OpenSSH	5.5p1 Debian 6	protocol 2.0	Linux		25	0.033
smtp						25	0.033
http-proxy	Squid http proxy	3.2.0.8				25	0.033
http-proxy	Squid http proxy	2.6.STABLE12				25	0.033
http	Microsoft IIS httpd	5.0		Windows		25	0.033
xml						24	0.032
ssh	OpenSSH	5.8p1 Debian 1ubuntu3	Ubuntu Linux; protocol 2.0	Linux		24	0.032
ssh	Dropbear sshd	0.53.1	protocol 2.0	Linux		24	0.032
http	WYM httpd	1.0				24	0.032
http	lighttpd	1.4.20				24	0.032
telnet	NewCS card sharing system telnetd					23	0.031
http	lighttpd	1.4.28				23	0.031
mysql	MySQL	5.1.45-enterprise-commercial-pro				22	0.029
http-proxy	Squid http proxy					22	0.029
ftp	FileZilla ftpd	0.9.40 beta		Windows		21	0.028
ssh	OpenSSH	5.1p1	FreeBSD 20080901; protocol 2.0	FreeBSD		20	0.027
http	Boa HTTPd	0.94.11				20	0.027
http	Apache	2.2.17				20	0.027
http	Apache	2.2.14				20	0.027