Overview of services running on Port 84 TCP.
~98 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	Count	Percent
http			24226	24.598
http	Netwave webcam http config		4573	4.643
http	SonicWALL		4036	4.098
http	Microsoft IIS httpd	6.0	3648	3.704
http	Netwave IP camera http config		3373	3.425
chat	AIM or ICQ server		2406	2.443
http	Apache		2304	2.339
no match	-/-	-/-	2162	2.195
http	GoAhead-Webs httpd		1902	1.931
http	Microsoft IIS httpd	7.5	1604	1.629
http	Hikvision-Webs		1498	1.521
http	thttpd		1462	1.484
http	Cdn Cache Server V2.0		1402	1.424
http	Boa httpd		1339	1.36
http	mini_httpd	1.19 19dec2003	1185	1.203
http	Avtech AVN801 network camera	1.0	1037	1.053
http	thttpd	2.25b 29dec2003	1030	1.046
http	GeoVision GeoHttpServer for webcams		1029	1.045
http	uc-httpd	1.0.0	974	0.989
http	Boa HTTPd	0.94.14rc21	967	0.982
http	Microsoft IIS httpd		930	0.944
http	Apache	2.2.16	887	0.901
http	Microsoft IIS httpd	7.0	873	0.886
http	dcs-lig-httpd		870	0.883
http	Cisco IOS http config		795	0.807
http	AIM	1.0	723	0.734
http	Boa HTTPd	0.94.13	713	0.724
http	D-Link/Airlink IP webcam http config	1.0	644	0.654
http	Microsoft HTTPAPI httpd	2.0	603	0.612
http	Apache Tomcat/Coyote JSP engine	1.1	585	0.594
http	Apache	1.3.33	563	0.572
http	Apache	2.2.3	546	0.554
http	Cross Web Server		513	0.521
http	Apache	2.2.9	495	0.503
http	lighttpd	1.4.29	487	0.494
http	TRENDnet TV-IP100 or TV-IP110 webcam display httpd		468	0.475
http	lighttpd	1.4.28	461	0.468
http	lighttpd	1.4.19	457	0.464
http	GoAhead-Webs embedded httpd		446	0.453
http	Airlink 101 or TRENDnet TVIP-422w webcam http config		445	0.452
http	Apache	2.2.14	444	0.451
http	Apache	2.2.22	434	0.441
http	Linux	2.x UPnP	399	0.405
http	Boa HTTPd	0.93.15	322	0.327
http	BusyBox httpd		312	0.317
http	WindWeb	2.0	303	0.308
http	lighttpd	1.4.30	300	0.305
http	D-Link DIR-300 WAP http admin		298	0.303
http	WebServer(IPCamera_Logo)		288	0.292
http	OpenSource C		272	0.276
http	nginx		267	0.271
http	Apache	1.3.34	264	0.268
http	Apache	2.2.17	257	0.261
http	DVR Systems webcam http interface		228	0.232
http	Apache	2.2.15	225	0.228
http	Apache	2.2.21	221	0.224
http	Apache	2.0.49	215	0.218
http	TRENDnet TV-IP110w or TV-IP422W webcam display httpd		209	0.212
http	Microsoft IIS httpd	5.0	203	0.206
http	lighttpd	1.4.26	201	0.204
http	D-Link DCS-900 webcam http config		191	0.194
http	WYM httpd	1.0	190	0.193
http	Mbedthis-Appweb	2.0.4	187	0.19
rtsp			186	0.189
http	D-Link Internet Camera		184	0.187
http	thttpd	2.19-MX Jul 1 2010	182	0.185
http	Boa HTTPd	0.94.14rc18-ipcam	182	0.185
http	Apache	2.2.8	177	0.18
http	Microsoft IIS httpd	5.1	175	0.178
http	Gadspot/Avtech AV787 webcam http config		173	0.176
http	Mbedthis-Appweb	2.4.2	164	0.167
http	Webs		161	0.163
http	lighttpd		158	0.16
http	D-Link DCS-920 webcam http config		157	0.159
http	thttpd	2.24 26oct2003	153	0.155
http	Mobotix Camera http config		152	0.154
http	ImagiaTek		152	0.154
http	Boa	0.94.13	149	0.151
http	sbcache	3.5.5	144	0.146
http	IQinVision Embedded 1.0		144	0.146
http	D-Link DCS-910 webcam http config		143	0.145
http	Vivotek Network Camera		142	0.144
http	TwistedWeb httpd	8.2.0	138	0.14
http	DrcomServer1.0		135	0.137
http	SideBit.Net		131	0.133
arcserve	ARCserve Discovery		130	0.132
http	Panasonic BB-HCM331 Network Camera http config		127	0.129
http	Apache	1.3.23	126	0.128
http	FC		125	0.127
http	Apache	2.2.11	124	0.126
http	RapidLogic httpd	1.1	119	0.121
http	Boa HTTPd	0.92o	117	0.119
http	DD-WRT milli_httpd		114	0.116
http	WEB SERVER		112	0.114
http	Apache	1.3.35	110	0.112
ssh			106	0.108
http	Stanley NT500 access control system httpd		106	0.108
http	BusyBox httpd	1.13	105	0.107
http	Aperio Digital Slide Conferencing httpd		103	0.105
http	uTorrent utserver web interface		100	0.102
http	avtech httpd	1.0	100	0.102
http	thttpd	2.19-MX Dec 8 2009	98	0.1
http	D-Link MiniAVServer		97	0.098
http	Apache	2.2.10	94	0.095
http	ver2.4 rev0		93	0.094
http	PDR-M800	1.0	93	0.094
http	Linksys SPA942 VoIP phone http config		90	0.091
http	GS-Webs		90	0.091
http	Network Camera		89	0.09
http	HomeSeer Home Control Web Interface		88	0.089
http	thttpd	2.19-MX Sep 9 2010	87	0.088
http	Ubicom	1.1	86	0.087
http	GoAhead-Webs		86	0.087
http	Microsoft HTTPAPI httpd	1.0	85	0.086
http	Apache	2.2.4	84	0.085
vnc	VNC		82	0.083
ssh	OpenSSH	4.3	82	0.083
http	HTTPsrv		82	0.083
http	MikroTik router config httpd		79	0.08
http	D-Link DCS-3220 webcam http config		79	0.08
http	Apache	2.2.20	78	0.079
http	Apache	1.3.41	78	0.079
http	MikroTik router http config		77	0.078
http	Apache	1.1.1 (Unix) PHP	76	0.077
rtsp	Avtech MPEG4 DVR control rtspd		73	0.074
http	Allegro RomPager	4.51 UPnP/1.0	73	0.074
http	httpd		71	0.072
http	thttpd	2.25b PHP	70	0.071
http	avtech	1.0..Expires	69	0.07
http	D-Link printer/webcam http config		67	0.068
http	webserver	1.0	65	0.066
http	Allegro RomPager	4.07 UPnP/1.0	65	0.066
http	thttpd	2.19-MX Feb 27 2009	64	0.065
http	DrayTek Vigor 2800-series ADSL router httpd		64	0.065
http	Jetty	6.1.x	63	0.064
http	Vivotek 3102 Camera http config		62	0.063
http	alphapd		62	0.063
http	thttpd	2.19-MX Oct 19 2011	61	0.062
http-proxy	Squid http proxy	2.7.STABLE9	61	0.062
http	lighttpd	1.4.23	61	0.062
http	Apache	2.0.52	61	0.062
http	Apache	2.2.19	60	0.061
ssh	OpenSSH	5.1p1 Debian 5	59	0.06
http	Gnway Web Server		59	0.06
http	ADAM-6000	8.1.0019	59	0.06
http	Lotus Domino httpd		58	0.059
http	http server 1.0		58	0.059
http	Apache	1.3.39	58	0.059
telnet			57	0.058
http	vid		57	0.058
http	Apache	2.2.6	57	0.058
http	wg_httpd	1.0(based Boa	56	0.057
http	WebLogic httpd		56	0.057
http	lighttpd	1.4.13	56	0.057
http	Microsoft IIS		55	0.056
http	Dreambox httpd		55	0.056
http	Wireless Network Camera		54	0.055
http	D-Link web camera http config		54	0.055
http	Apache	2.0.54	54	0.055
http	Apache	1.3.27	54	0.055
http	thttpd	2.25b-lxc 29dec2003	53	0.054
http	nginx	0.8.54	52	0.053
http	Microsoft-HTTPAPI	2.0	52	0.053
remoting	MS .NET Remoting services		50	0.051
http	Apache	2.0.59	50	0.051
ftp	Microsoft ftpd		50	0.051
http	Linksys PAP2 VoIP http config		49	0.05
http	Apache	2.2.12	49	0.05
http	thttpd	2.19-MX Apr 26 2011	48	0.049
http	FlashCom	3.5.2	48	0.049
http	W3MFC	1.68	47	0.048
http	SNF	0.1	45	0.046
http	Snom 300 VoIP phone http config		44	0.045
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	43	0.044
ssh	OpenSSH	5.3	43	0.044
http	Router		43	0.044
http-proxy	Squid http proxy	2.6.STABLE12	42	0.043
http	IPCamera-Webs		42	0.043
http	Generic router http config		42	0.043
http	httpd 1.1		41	0.042
http	Techno Vision Security System http config	2.0	40	0.041
http	SonicWALL firewall http config		40	0.041
http	Network Dome Camera		40	0.041
http	MS-SDK-HttpServer	1.0	40	0.041
http	Apache	2.0.63	40	0.041
ssh	OpenSSH	3.7.1p1	39	0.04
http-proxy	Squid http proxy	2.7.STABLE5	39	0.04
http	go1984		39	0.04
http	ChipPC Extreme httpd		39	0.04
http	Httpd	1.0	38	0.039
http	avtech	1.0	38	0.039
http	Apache	2.0.53	37	0.038
http	U S Software Web Server		36	0.037
http	nginx	1.2.2	36	0.037
http	Indy	8.0.25	36	0.037
http	Indy	10.1.5	36	0.037
http	Apache	1.3.37	36	0.037
http	Tridium Niagara httpd	1.1	35	0.036
http	lighttpd	1.4.20	35	0.036
http	HeiTel GmbH Web Server		35	0.036
ftp			35	0.036
http	uTorrent WebUI		34	0.035
http	nginx	0.7.67	34	0.035
http-proxy	Squid http proxy	3.1.18	33	0.034
http	OwnServer1.0		33	0.034
http	Micro-Dev Software HTTP Server		33	0.034
http-proxy	Squid http proxy	3.1.20	32	0.032
http	nginx	1.3.3	32	0.032
http	David WebBox httpd	11.00a.0717	32	0.032
http	WebFS httpd	1.21	31	0.031
http	dvr1614n web-cam httpd		31	0.031
http	Allegro RomPager	4.06	31	0.031
http	WebServer		30	0.03
http	TibetSystem Server 2.0		30	0.03
http	D-Link DCS-6620 webcam http config		30	0.03
http	nginx	1.0.10	29	0.029
http	nginx	1.2.1	28	0.028
http	IQhttpD	1.0 07oct2007	28	0.028
http	D-Link DCS-6620G webcam http config		27	0.027
http	build-in http server		27	0.027
http	u-Server		26	0.026
http	Ubicom	Ubicom	26	0.026
http	Speedr	0.8.0	26	0.026
http	Apache	2.2.13	26	0.026
http	Apache	0.6.5	26	0.026
soap	gSOAP soap	2.7	25	0.025
http	ViewSonic PJD6521 projector http config		25	0.025
http	TeamViewer httpd		25	0.025
http	Apache	2.0.55	25	0.025
spy-net	Spy-Net or CyberGate backdoor		24	0.024
http	VB		24	0.024
http	TP-LINK Router		24	0.024
http	Apache	2.2.0	24	0.024
http	thttpd	2.19-MX Sep 1 2008	23	0.023
http	thttpd	2.19-MX Jan 9 2008	23	0.023
http	Kerio MailServer http config		23	0.023
http	Dreambox DVB Enigma httpd		23	0.023
http	Apache	1.3.31	23	0.023
http	Sipura SPA VoIP http config		22	0.022
http	NETWORK		22	0.022
http	iRMC S2 Webserver		22	0.022
http	Apache	2.2.X	22	0.022
ssl	TLS	1.0	21	0.021
irc	Unreal ircd		21	0.021
http	thttpd	2.19-MX Jan 24 2006	21	0.021
http	Microsoft-HTTPAPI	1.0	21	0.021
http	thttpd	2.23beta1 26may2002	20	0.02
http	nginx	1.0.4	20	0.02
http	nginx	0.7.65	20	0.02
http	iTools-Admin-Server	iTools-Admin-Server	20	0.02
http	IQ3		20	0.02
http	HTTPServer		20	0.02
http	Allegro RomPager	4.01	20	0.02
http	Web-Based Enterprise Management CIM serverOpenPegasus WBEM httpd		19	0.019
http	thttpd	2.19-MX Jul 5 2010	19	0.019
http	Sun Niagara httpd	1.1	19	0.019
http	NetPort httpd	1.1	19	0.019
http	IBM HTTP Server		19	0.019
http	D-Link DCS-3220G webcam http config		19	0.019
http	Boa HTTPd	0.94.11	19	0.019
http	Apache	2.0.58	19	0.019
http	Apache	2.0.50	19	0.019
ftp	vsftpd (before 2.0.8) or WU-FTPD		19	0.019
http	Vivotek Video Server		18	0.018
http	SEEnergy SVR-116		18	0.018
http-proxy	MikroTik http proxy		18	0.018
http	nginx/C		18	0.018
http	nginx	1.2.0	18	0.018
http	nginx	1.1.1	18	0.018
http	nginx	0.7.33	18	0.018
http	lighttpd	1.4.11	18	0.018
http	CherryPy httpd	3.2.0	18	0.018
telnet	Allied Telesis x900-series switch telnetd		17	0.017
http	VigorAccess Web Server		17	0.017
http	thttpd	2.19-MX Mar 31 2010	17	0.017
http	Mbedthis-Appweb	2.2.2	17	0.017
http	iDVRhttpSvr		17	0.017
http	Boa HTTPd	0.94.14rc20	17	0.017
http	BlueIris-HTTP	1.1	17	0.017
http	Apache	2.0.64	17	0.017
http	Apache	2.0.40	17	0.017
vnc			16	0.016
http	Video server		16	0.016
http	Siemens Gigaset PBX/TARGA DIP VoIP phone http config		16	0.016
http	Serverdoc remote httpd		16	0.016
http-proxy	F5 BIG-IP load balancer http proxy		16	0.016
http	nginx	1.0.11	16	0.016
http	lighttpd	1.4.31	16	0.016
http	Draytek Vigor ADSL router webadmin		16	0.016
ftp	vsftpd	2.0.8 or later	16	0.016
http	thttpd	2.19-MX Jul 16 2009	15	0.015
http	RapidLogic	1.1	15	0.015
http	nginx	0.8.17	15	0.015
http	go1984 httpd		15	0.015
http	Caucho Resin JSP engine	3.1.9	15	0.015
http	Apache	1.3.28	15	0.015
http	ADH-Web		15	0.015