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	Count	Percent
http		9238	17.136
no match	-/-	5341	9.907
irc	Dancer ircd	4060	7.531
http	SonicWALL	3763	6.98
http	Apache	3072	5.698
http	lighttpd	2927	5.43
http	Microsoft IIS httpd	2186	4.055
chat	AIM or ICQ server	2126	3.944
http	Boa HTTPd	1659	3.077
shoutcast	SHOUTcast server	1483	2.751
http	Ubicom	1113	2.065
http	thttpd	1105	2.05
http	Virata-EmWeb	945	1.753
http	GoAhead-Webs httpd	944	1.751
http	AIM	725	1.345
http	Netwave webcam http config	694	1.287
xml		618	1.146
http	Symantec AntiVirus Scan Engine http config	513	0.952
http	nginx	492	0.913
http	Apache Tomcat/Coyote JSP engine	469	0.87
ssl	TLS	379	0.703
http	Icecast streaming media server	377	0.699
http	Netwave IP camera http config	319	0.592
http	Netgear FS726TP switch http config	284	0.527
ssh	OpenSSH	248	0.46
irc-proxy	psyBNC	247	0.458
http	Microsoft HTTPAPI httpd	247	0.458
http	mini_httpd	236	0.438
http	Tiny WebServer	230	0.427
http	CherryPy httpd	204	0.378
http-proxy	Squid http proxy	188	0.349
http	WindWeb	183	0.339
http-proxy	F5 BIG-IP load balancer http proxy	135	0.25
http	Hikvision-Webs	135	0.25
eggdrop	Eggdrop IRC bot console	131	0.243
telnet	BusyBox telnetd	129	0.239
http	DrcomServer1.0	129	0.239
http	OpenDNS Guide	115	0.213
http	Mongrel httpd	105	0.195
http	WEBrick httpd	101	0.187
http	GoAhead-Webs	101	0.187
http	Avtech AVN801 network camera	99	0.184
http	Jetty	96	0.178
ssh		95	0.176
vnc	VNC	94	0.174
http	keywords 1.0.6	94	0.174
telnet		90	0.167
http	Linux	89	0.165
http	uTorrent WebUI	86	0.16
http	Network Camera	82	0.152
http	uTorrent utserver web interface	80	0.148
http	Allegro RomPager	79	0.147
ice	Internet Communications Engine	74	0.137
http	Motion Camera httpd	74	0.137
http	Mbedthis-Appweb	73	0.135
http	Tornado httpd	72	0.134
http	Mobotix Camera http config	72	0.134
http	dcs-lig-httpd	72	0.134
http	uc-httpd	69	0.128
http	FC	67	0.124
ftp		64	0.119
http	PDR-M800	63	0.117
http	ADAM-6000	62	0.115
http	WebLogic httpd	60	0.111
http	MarkLogic	57	0.106
http	GoAhead-Webs embedded httpd	56	0.104
http	TornadoServer	55	0.102
http	Caucho Resin JSP engine	52	0.096
ftp	Microsoft ftpd	52	0.096
ssh	Dropbear sshd	50	0.093
mysql	MySQL	48	0.089
mongodb	MongoDB	47	0.087
http	TwistedWeb httpd	45	0.083
http	uIP	43	0.08
http	GeoVision GeoHttpServer for webcams	43	0.08
http	Vivotek 3102 Camera http config	42	0.078
http	MS .NET Remoting httpd	42	0.078
shoutcast-publishing	SHOUTcast publishing port	41	0.076
http	Oracle HTTP Server Powered by Apache	40	0.074
http	avtech	38	0.07
http	Microsoft-HTTPAPI	37	0.069
http	AIP250	36	0.067
http	ver2.4 rev0	33	0.061
http	Thin	33	0.061
http	D-Link/Airlink IP webcam http config	33	0.061
rtsp		32	0.059
http	Vivotek IP7131 Network Camera http config	32	0.059
http	Oracle Application Server 10g httpd	32	0.059
http	Cisco IOS http config	32	0.059
remoting	MS .NET Remoting services	31	0.058
http	Zope httpd	31	0.058
http	Snom 300 VoIP phone http config	31	0.058
smtp	Communigate Pro SMTP	30	0.056
http	MikroTik router config httpd	30	0.056
http	Cross Web Server	30	0.056
http	GM Streaming Server httpd	29	0.054
irc	Unreal ircd	28	0.052
http	Httpd	28	0.052
http	Allegro-Software-RomPager	28	0.052
http	Airlink 101 or TRENDnet TVIP-422w webcam http config	28	0.052
giop	CORBA naming service	28	0.052
http	Wireless Network Camera	27	0.05
http	SAP Web Application Server	27	0.05
http	SAP J2EE Engine httpd	27	0.05
http	Rex media encoder http config	27	0.05
http	RemotelyAnywhere remote PC management httpd	27	0.05
http	Panasonic BB-HCM331 Network Camera http config	27	0.05
http	NS700 Media Center	27	0.05
http	TRENDnet TV-IP100 or TV-IP110 webcam display httpd	26	0.048
http	Indy	26	0.048
http	WYM httpd	25	0.046
http	Oracle WebLogic Server	25	0.046
http	MiniServ	25	0.046
http	D-Link DIR-300 WAP http admin	25	0.046
http	DD-WRT milli_httpd	25	0.046
ftp	ProFTPD	25	0.046
http	Webs	24	0.045
http	BaseHTTPServer	24	0.045
http	WSGIServer	23	0.043
http	IBM HTTP Server	23	0.043
http	Fortinet FortiGate 50B firewall http config	23	0.043
smtp	Microsoft ESMTP	21	0.039
http	TAS embbed http	21	0.039
http	Gadspot/Avtech AV787 webcam http config	21	0.039
vnc	RealVNC Enterprise	20	0.037
http	PasteWSGIServer	20	0.037
http	Micro-Web	20	0.037
ftp	vsftpd (before 2.0.8) or WU-FTPD	20	0.037
vnc		19	0.035
http	Engine 12.6.1.369	19	0.035
http	DVR Systems webcam http interface	19	0.035
http	Vivotek Network Camera	18	0.033
http	RapidLogic httpd	18	0.033
http	Ecam	18	0.033
http	D-Link DCS-920 webcam http config	18	0.033
vnc	RealVNC Personal	17	0.032
http-proxy	EZproxy web proxy	17	0.032
http	ChipPC Extreme httpd	17	0.032
http	adf_http_server	17	0.032
http	TRENDnet TV-IP110w or TV-IP422W webcam display httpd	16	0.03
http	III 100	16	0.03
http	AtHome Video Streaming Server	16	0.03
ftp	vsftpd	16	0.03
upnp	Portable SDK for UPnP devices	15	0.028
jetdirect	JetDirect	15	0.028
http	Secure Computing Sidewinder firewall http admin	15	0.028
http	Router	15	0.028
http	MochiWeb	15	0.028
http	http server 1.0	15	0.028
http	D-Link DCS-2120 webcam http config	15	0.028
ftp	FileZilla ftpd	15	0.028
http	ImagiaTek	14	0.026
http	HTTPServer	14	0.026
http	gen5th	14	0.026
http	D-Link MiniAVServer	14	0.026
ftp	Serv-U ftpd	14	0.026
http	webserver	13	0.024
http	Microsoft IIS	13	0.024
http	CCcam card sharing system http config	13	0.024
http	ADH-Web httpd	13	0.024
java-rmi	Java RMI	12	0.022
http	WebServer(IPCamera_Logo)	12	0.022
http	thin 1.0.0 codename That	12	0.022
http	TAS-Tech IPCam	12	0.022
http	RapidLogic	12	0.022
http	httpd	12	0.022
http	D-Link Internet Camera	12	0.022
http	D-Link DCS-910 webcam http config	12	0.022
http	BaseHTTP	12	0.022
soap	gSOAP soap	11	0.02
smtp		11	0.02
http	YTurnServer	11	0.02
http	TeleEye	11	0.02
http-proxy	MikroTik http proxy	11	0.02
http	DrayTek Vigor 3300 router http config	11	0.02
http	AIM HTTP	11	0.02
socks5		10	0.019
smtp	Microsoft Exchange smtpd	10	0.019
netbios-ssn		10	0.019
http	WebServer	10	0.019
http	Vivotek Video Server	10	0.019
http	Transmission BitTorrent management httpd	10	0.019
http	QNAP TS-219P NAS http config	10	0.019
http	MikroTik router http config	10	0.019
http	HTTPD	10	0.019
http	Foundry EdgeIron switch http config	10	0.019
http	D-Link DCS-900 webcam http config	10	0.019
http	AXIS 205 network camera web interface	10	0.019