Overview of services running on Port 8004 TCP.
~53 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
http						8998	16.691
no match						5341	9.907
irc	Dancer ircd					4060	7.531
http	SonicWALL				firewall	3763	6.98
chat	AIM or ICQ server					2126	3.944
http	Microsoft IIS httpd	6.0		Windows		1262	2.341
http	Apache					1110	2.059
http	Ubicom	Ubicom	Login			1094	2.029
http	Virata-EmWeb	6.2.0				932	1.729
http	GoAhead-Webs httpd					873	1.619
http	Boa HTTPd	0.94.14rc21				852	1.58
http	lighttpd	1.4.28				757	1.404
http	AIM	1.0				725	1.345
http	Netwave webcam http config				webcam	694	1.287
xml						618	1.146
http	Boa HTTPd	0.93.15				592	1.098
http	lighttpd	1.4.30				576	1.068
http	Symantec AntiVirus Scan Engine http config					513	0.952
http	lighttpd	1.4.29				458	0.85
http	Apache Tomcat/Coyote JSP engine	1.1				439	0.814
http	lighttpd	1.4.19				421	0.781
http	Microsoft IIS httpd	7.5		Windows		402	0.746
http	lighttpd					388	0.72
ssl	TLS	1.0				379	0.703
http	Icecast streaming media server					353	0.655
http	Netwave IP camera http config				webcam	319	0.592
http	Netgear FS726TP switch http config				switch	284	0.527
http	nginx					251	0.466
irc-proxy	psyBNC	2.3.2-7				247	0.458
http	thttpd		Panasonic BB-HCM511 IP camera http config			247	0.458
shoutcast	SHOUTcast server	1.9.8		Linux		232	0.43
http	Tiny WebServer		OpenSimulator http config			227	0.421
http	thttpd	2.25b 29dec2003				218	0.404
http	Microsoft IIS httpd					216	0.401
http	Apache	2.2.22	(Ubuntu)			212	0.393
http	mini_httpd	1.19 19dec2003				207	0.384
http	Apache	2.2.3	(CentOS)			207	0.384
http	Microsoft IIS httpd	7.0		Windows		188	0.349
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		174	0.323
http			General User			143	0.265
http	WindWeb	4.00				139	0.258
http	CherryPy httpd	3.1.2				138	0.256
http-proxy	F5 BIG-IP load balancer http proxy				load balancer	135	0.25
http	Hikvision-Webs					132	0.245
http	DrcomServer1.0					129	0.239
eggdrop	Eggdrop IRC bot console	1.6.20				124	0.23
http-proxy	Squid http proxy					117	0.217
http	OpenDNS Guide					115	0.213
http	thttpd	2.24 26oct2003				111	0.206
telnet	BusyBox telnetd					109	0.202
http	lighttpd	1.4.18				107	0.198
http	Boa HTTPd	0.94.13				107	0.198
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	99	0.184
http	Apache	2.2.14	(Ubuntu)			97	0.18
http	GoAhead-Webs					95	0.176
http	keywords 1.0.6					94	0.174
ssh			protocol 1.5			93	0.173
telnet						89	0.165
http	Mongrel httpd	1.1.5				89	0.165
http	Apache		SSL-only mode			89	0.165
http	WEBrick httpd	1.3.1	Ruby 1.9.2 (2010-08-18)			87	0.161
http	uTorrent WebUI			Windows		86	0.16
http	lighttpd	1.4.20				82	0.152
http	uTorrent utserver web interface			Linux		80	0.148
http	thttpd	2.19-MX Jul 1 2010				80	0.148
http	Apache	2.2.16	(Debian)			80	0.148
http	Linux	2.x UPnP				79	0.147
ice	Internet Communications Engine					74	0.137
http	Microsoft HTTPAPI httpd	1.0	SSDP/UPnP	Windows		73	0.135
http	Mobotix Camera http config				webcam	72	0.134
http	dcs-lig-httpd					72	0.134
http	Microsoft IIS httpd	5.0		Windows		71	0.132
vnc	VNC		protocol 3.8			70	0.13
http	uc-httpd	1.0.0				69	0.128
http	FC					67	0.124
ssh	OpenSSH	3.7p1	protocol 1.99			66	0.122
ftp						64	0.119
http	PDR-M800	1.0				63	0.117
http	ADAM-6000	8.1.0019				62	0.115
http	Motion Camera httpd	3.2.7			webcam	60	0.111
http	thttpd	2.19-MX Oct 19 2011				58	0.108
http	MarkLogic					57	0.106
http	Jetty	6.1.25				56	0.104
http	GoAhead-Webs embedded httpd					56	0.104
http	WebLogic httpd					55	0.102
http	thttpd		Mobotix M10 PRISMB web cam http config		webcam	52	0.096
http	Boa HTTPd	0.94.14rc18				50	0.093
shoutcast	SHOUTcast server	1.9.8	Name: Radio regiao de basto	Linux		48	0.089
ftp	Microsoft ftpd			Windows		48	0.089
http	lighttpd	1.4.26				47	0.087
mongodb	MongoDB	0				46	0.085
http	uIP	1.0				43	0.08
http	GeoVision GeoHttpServer for webcams				webcam	43	0.08
http	Vivotek 3102 Camera http config				webcam	42	0.078
shoutcast-publishing	SHOUTcast publishing port					41	0.076
http	Tornado httpd	2.2				39	0.072
http	thttpd	2.19-MX Dec 8 2009				39	0.072
http	Apache	2.2.15	(CentOS)			39	0.072
http	Apache	2.3.8	(Unix) mod_ssl/2.3.8 OpenSSL/1.0.0c			38	0.07
http	CherryPy httpd	3.0.3				37	0.069
http	Apache	2				37	0.069
http-proxy	Squid http proxy	2.6.STABLE21				36	0.067
http	Microsoft IIS httpd	5.1		Windows		36	0.067
http	Mbedthis-Appweb	2.0.4				36	0.067
http	AIP250					36	0.067
http	Mbedthis-Appweb	2.4.2				35	0.065
http	WindWeb	2.0				34	0.063
http	Oracle HTTP Server Powered by Apache	1.3.19	mod_fastcgi/2.2.10 mod_perl/1.25 mod_oprocmgr/1.0	Unix		34	0.063
http	nginx	1.0.11				34	0.063
http	ver2.4 rev0					33	0.061
http	thttpd	2.19-MX Sep 1 2008				33	0.061
http	D-Link/Airlink IP webcam http config	1.0			webcam	33	0.061
http	avtech	1.0..Expires				33	0.061
rtsp						32	0.059
http	Vivotek IP7131 Network Camera http config				webcam	32	0.059
http	Apache	1.3.27	Ben-SSL/1.48 (Unix) PHP/4.3.11			32	0.059
remoting	MS .NET Remoting services					31	0.058
http	Snom 300 VoIP phone http config				VoIP phone	31	0.058
smtp	Communigate Pro SMTP	5.4.6				30	0.056
http	thttpd	2.19-MX Sep 9 2010				30	0.056
http	MikroTik router config httpd			RouterOS	router	30	0.056
http	Cross Web Server					30	0.056
shoutcast	SHOUTcast server	1.9.8	Name: Radio Djiido mp3PRO 96K	Linux		29	0.054
http	GM Streaming Server httpd				webcam	29	0.054
http	Apache Tomcat/Coyote JSP engine	1.1	Tomcat 5.5			29	0.054
http	Apache	2.0.53	(Win32) PHP/5.1.4			29	0.054
ssh	Dropbear sshd	0.46	protocol 2.0	Linux		28	0.052
irc	Unreal ircd					28	0.052
http	Httpd	1.0				28	0.052
http	Airlink 101 or TRENDnet TVIP-422w webcam http config				webcam	28	0.052
giop	CORBA naming service					28	0.052
shoutcast	SHOUTcast server	1.9.8	Name: dj power radioimpacto	Linux		27	0.05
http	thttpd		Panasonic BB-HCM511A Network camera http config		webcam	27	0.05
http	Panasonic BB-HCM331 Network Camera http config				webcam	27	0.05
http	NS700 Media Center					27	0.05
http	Cisco IOS http config			IOS		27	0.05
http	Allegro-Software-RomPager	4.30b3				27	0.05
http	TRENDnet TV-IP100 or TV-IP110 webcam display httpd				webcam	26	0.048
http	Apache	1.3.28	(SolutionIP) PHP/5.0.4 mod_perl/1.28 mod_ssl/2.8.15 OpenSSL/0.9.7b			26	0.048
ssh	OpenSSH	3.9p1	protocol 1.99			25	0.046
http	thttpd	2.19-MX Apr 26 2011				25	0.046
http	GoAhead-Webs httpd		LinkSys SLM2024 or SRW2008 - SRW2016 switch http config		switch	25	0.046
http	D-Link DIR-300 WAP http admin				WAP	25	0.046
http	Boa HTTPd	0.92o				25	0.046
ssh	OpenSSH	5.2	protocol 1.99			24	0.045
http	Network Camera					23	0.043
http	Fortinet FortiGate 50B firewall http config				firewall	23	0.043
http	Apache	2.2.8	(Ubuntu) PHP/5.2.4-2ubuntu5.10 with Suhosin-Patch			23	0.043
http	Webs					22	0.041
http	TornadoServer	2.1.1				22	0.041
http	MiniServ	0.01	Webmin httpd			22	0.041
http	lighttpd	1.4.15				22	0.041
http	GoAhead-Webs httpd		LogiLink WC0002B webcam http config			22	0.041
http	Apache	2.2.8	(Win32)			22	0.041
http	TAS embbed http					21	0.039
http	nginx	1.2.1				21	0.039
http	lighttpd	1.4.31				21	0.039
http	lighttpd	1.4.11				21	0.039
http	Gadspot/Avtech AV787 webcam http config				webcam	21	0.039
http	Apache	1.3.37	(Unix)			21	0.039
vnc	RealVNC Enterprise		protocol 4.1			20	0.037
telnet	BusyBox telnetd	1.5.1 (2009-03-10 11:36:14 KST)				20	0.037
shoutcast	SHOUTcast server	1.9.8	Name: La Tremenda 95.9 FM	Linux		20	0.037
http	nginx	0.7.67				20	0.037
http	Apache	2.2.14				20	0.037
ftp	vsftpd (before 2.0.8) or WU-FTPD					20	0.037