Overview of services running on Port 88 TCP.
~976 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
kerberos-sec	Mac OS X kerberos-sec	135856	13.906
kerberos-sec	Windows 2003 Kerberos	114581	11.728
no match	-/-	84433	8.642
http	Apache	83004	8.496
kerberos-sec	Heimdal Kerberos	75315	7.709
kerberos-sec	MIT Kerberos	66109	6.767
http		61432	6.288
telnet	Zmodo DVR	61313	6.276
http	GoAhead-Webs httpd	41228	4.22
http	Microsoft IIS httpd	33032	3.381
http	Boa HTTPd	12431	1.272
http	mini_httpd	12260	1.255
http	Hikvision-Webs	10947	1.121
http	uc-httpd	10633	1.088
http	Avtech AVN801 network camera	9618	0.984
http	Linux	7831	0.802
http	GoAhead-Webs embedded httpd	7787	0.797
http	Router	5941	0.608
http	lighttpd	5685	0.582
http	Microsoft HTTPAPI httpd	5562	0.569
http	nginx	5420	0.555
http	Mathopd httpd	5140	0.526
http	Cdn Cache Server V2.0	5107	0.523
http	thttpd	5029	0.515
http-proxy	CCProxy http proxy	4763	0.488
http	Cross Web Server	4345	0.445
http	Netwave webcam http config	4275	0.438
http	SonicWALL	3759	0.385
http	Allegro RomPager	3748	0.384
http	D-Link DIR-300 WAP http admin	3664	0.375
http	WindWeb	3278	0.336
http	Apache Tomcat/Coyote JSP engine	3269	0.335
http	GeoVision GeoHttpServer for webcams	3144	0.322
http	TP-LINK Router	2727	0.279
http	Netwave IP camera http config	2701	0.276
chat	AIM or ICQ server	2578	0.264
http	MikroTik router http config	2507	0.257
http	MikroTik router config httpd	2482	0.254
http	Gnway Web Server	2092	0.214
http	Httpd	2084	0.213
http	Draytek Vigor ADSL router webadmin	2049	0.21
http	avtech	2035	0.208
http	DVR Systems webcam http interface	1820	0.186
http	D-Link router/Airlink NAS http config	1542	0.158
http	D-Link DI-804HV http config	1461	0.15
http	Waveplus HTTPD	1432	0.147
http	Embedded HTTP Server	1431	0.146
http	Gadspot/Avtech AV787 webcam http config	1419	0.145
http	D-Link DI-524 http config	1407	0.144
http	Mbedthis-Appweb	1293	0.132
http	MS-SDK-HttpServer	1210	0.124
ssh	OpenSSH	1162	0.119
http	HTTPD 1.0	975	0.1
http	httpd	831	0.085
http	Indy	830	0.085
http	Router Webserver	823	0.084
arcserve	ARCserve Discovery	793	0.081
http	siyou server	759	0.078
jetdirect	JetDirect	748	0.077
http	AIM	723	0.074
http	Ubicom	689	0.071
http	Intoto httpd	662	0.068
http	HTTP Server	635	0.065
http	SonicWALL firewall http config	587	0.06
http	Embedded Web Server	555	0.057
http-proxy	Squid http proxy	546	0.056
http	MiniServ	465	0.048
http	TwistedWeb httpd	457	0.047
http	TP-LINK WR740N WAP http config	456	0.047
http	D-Link DI-604 http config	441	0.045
http	httpd 1.1	415	0.042
http	WEB SERVER	375	0.038
http	FWEB	374	0.038
http	TP-LINK WR340G WAP http config	360	0.037
http	FC	344	0.035
http	HTTPServer	341	0.035
http	D-Link DIR-100 http config	334	0.034
rtsp	Avtech MPEG4 DVR control rtspd	328	0.034
http	dcs-lig-httpd	315	0.032
http	PDR-M800	309	0.032
http	Jetty	307	0.031
http	DD-WRT milli_httpd	306	0.031
telnet		302	0.031
http	TP-LINK WR841N WAP http config	297	0.03
http	D-Link DI-808HV http config	289	0.03
http	W3MFC	288	0.029
http	Rhinosoft Serv-U httpd	287	0.029
http	CherryPy httpd	272	0.028
http	micro_httpd	267	0.027
http	OwnServer1.0	255	0.026
http	Caucho Resin JSP engine	251	0.026
http	Techno Vision Security System http config	241	0.025
http	LevelOne FBR-FBR-1418TX router http config	241	0.025
http	WebServer(IPCamera_Logo)	240	0.025
http	CCProxy	236	0.024
http	NetBox httpd	234	0.024
http	Microsoft Windows Media Server	228	0.023
http	SB-CACHE	223	0.023
http	Safecom SWBR 54000 WAP http config	223	0.023
xml		222	0.023
http	AirLive WT-2000R WAP http config	221	0.023
http	TP-LINK WR541G/542G WAP http config	212	0.022
http	ImagiaTek	211	0.022
http	WYM httpd	204	0.021
http	Router Web Config System	197	0.02
http	http server 1.0	196	0.02
http	axhttpd	194	0.02
http	TP-LINK WR941N WAP http config	190	0.019
ftp	Serv-U ftpd	189	0.019
http	Ubicom httpd	181	0.019
http	D-Link DGE-530T network adapter http config	181	0.019
http	webserver	177	0.018
http	DrcomServer1.0	176	0.018
http	NetTalk-WebServer	175	0.018
http	Boa httpd	173	0.018
http	MikroTik httpd	167	0.017
http	uTorrent utserver web interface	165	0.017
http	TP-LINK R406 WAP http config	164	0.017
http	Kerio MailServer http config	163	0.017
http-proxy	Microsoft Foundation Class httpd	162	0.017
http	thttpd-alphanetworks	161	0.016
http	GoAhead-Webs	158	0.016
ftp	Microsoft ftpd	158	0.016
http	Dreambox httpd	156	0.016
http	HttpFileServer httpd	150	0.015
http	WebServer	146	0.015
http	Citrix Metaframe ICA Browser	145	0.015
http	TP-LINK WR641G/642G WAP http config	144	0.015
http	Fnord httpd	143	0.015
http	TibetSystem Server 2.0	142	0.015
http	TP-LINK WR840N WAP http config	138	0.014
http	fec	138	0.014
http	Lotus Domino httpd	137	0.014
ftp		135	0.014
http	Mongoose httpd	133	0.014
http	TRENDnet TV-IP100 or TV-IP110 webcam display httpd	129	0.013
http	Linksys PAP2 VoIP http config	128	0.013
http	IQinVision Embedded 1.0	126	0.013
kerberos-sec		123	0.013
http	Zimbra http config	118	0.012
http	Airlink 101 or TRENDnet TVIP-422w webcam http config	116	0.012
http	Buffalo AirStation http config	114	0.012
http	D-Link/Airlink IP webcam http config	111	0.011
http	Boa	111	0.011
http	H3C-Miniware-Webs	108	0.011
ssh		106	0.011
http	IP_SHARER WEB	106	0.011
http	Microsoft ISA httpd	104	0.011
http	World Client WDaemon httpd	103	0.011
http-proxy	Haproxy http proxy	103	0.011
http	TP-LINK TL-R402 router http config	101	0.01
http	D-Link DI-824VUP http config	100	0.01
vnc	VNC	99	0.01
http	Mini ASP Web Server	96	0.01
http	Microsoft IIS	95	0.01
http	TRENDnet TV-IP110w or TV-IP422W webcam display httpd	94	0.01
http	D-Link DIR-600 WAP http config	94	0.01
http	ChipPC Extreme httpd	93	0.01
http	antid	90	0.009
http	Fortinet VPN/firewall http config	89	0.009
http	DrayTek Vigor 3300 router http config	87	0.009
http	Sagem F@st router httpd	84	0.009
http	Milestone XProtect video surveillance http interface	82	0.008
http	Netgear WGR614v7 WAP http config	80	0.008
http	RapidLogic httpd	79	0.008
http	Embedded HTTP Server.	79	0.008
http	Webs	78	0.008
http	ZyXEL P-320W broadband router http config	77	0.008
http	Crestron MPS-200 AV routing system http config	77	0.008
http	BlueIris-HTTP	77	0.008
http	HTTPsrv	76	0.008
telnet	Draytek Vigor ADSL router telnetd	74	0.008
ssh	Dropbear sshd	74	0.008
http	VA Web Server	74	0.008
http	LuCI Lua http config	74	0.008
http	go1984 httpd	72	0.007
http	Tridium Niagara httpd	71	0.007
http	avtech httpd	71	0.007
ssh	MikroTik RouterOS sshd	69	0.007
http	HTTP Software 1.1	69	0.007
http	WebLogic httpd	68	0.007
http	IPC	66	0.007
http	Secure Computing Sidewinder firewall http admin	64	0.007
http-proxy	MikroTik http proxy	63	0.006
http	Vivotek Network Camera	62	0.006
http	PPEngine	62	0.006
upnp	Conexant-EmWeb	61	0.006
http	D-Link DCS-920 webcam http config	61	0.006
ssl	TLS	59	0.006
http	D-Link Internet Camera	58	0.006
http	ADAM-6000	58	0.006
http	Xb2.NET	57	0.006
http	IPShare6.0	57	0.006
http	Foundry EdgeIron switch http config	57	0.006
ftp	FileZilla ftpd	57	0.006
http	GS-Webs	56	0.006
http	DV-401 HTTPd	56	0.006
http	linux	55	0.006
http	wg_httpd	54	0.006
http	Unknown	54	0.006
http	JC-HTTPD	54	0.006
http	dvr1614n web-cam httpd	54	0.006
http	D-Link DCS-900 webcam http config	54	0.006
http	WebFS httpd	53	0.005
http	TP-LINK WR741N WAP http config	53	0.005
http	IP_SHARER WEB 1.0	53	0.005
http	iCanWebServer	53	0.005
http	CX HttpSvr	52	0.005
http	Netgear DG834G router http config	51	0.005
http	uTorrent WebUI	50	0.005
http	Virata-EmWeb	49	0.005
http	DVR 2400 Security Camera web interface	49	0.005
http	Apache Tomcat	49	0.005
http	Kerio MailServer Webmail	48	0.005
http	Linksys SPA942 VoIP phone http config	47	0.005
http	D-Link DI-704P http config	47	0.005
http	Web-Based Enterprise Management CIM serverOpenPegasus WBEM httpd	45	0.005
http	HomeSeer Home Control Web Interface	45	0.005
http	D-Link DIR-616 WAP http config	45	0.005
http	D-Link DCS-910 webcam http config	45	0.005
http	http server	44	0.005
http	Vivotek 3102 Camera http config	43	0.004
http	vid	43	0.004
http	D-Link DVS-4088S, DVS-5088S, or DVG-7062S VoIP gateway http config	43	0.004
http	D-Link DFL-800 or DFL-860 firewall http config	43	0.004
http	Collaboration 8.0	43	0.004
ftp	vsftpd	43	0.004
mysql	MySQL	42	0.004
http	ZyXEL ZyWALL USG 200 firewall http config	42	0.004
http	Netgear DG834 router http config	42	0.004
http	HeiTel GmbH Web Server	42	0.004
http	go1984	42	0.004
http	Panasonic BB-HCM331 Network Camera http config	41	0.004
http	Mobotix Camera http config	41	0.004
http	alphapd	41	0.004
qemu-vlan	QEMU VLAN listener	39	0.004
http	Miktotik Dude network monitor	39	0.004
http	BaseHTTPServer	39	0.004
http	D-Link DI-707P http config	38	0.004
ftp	ProFTPD	38	0.004
http	SLWebMail Supervisor http config	37	0.004
http	IocpServer	37	0.004
http	David WebBox httpd	37	0.004
socks5		36	0.004
http	Indy httpd	36	0.004
http	82170290	36	0.004
http	VMware vCenter Converter httpd	35	0.004
http	TP-LINK WR1043ND WAP http config	35	0.004
http	AirLive WMM-3000R WAP http config	35	0.004
http	VOLANS	34	0.003
http	RemotelyAnywhere remote PC management httpd	34	0.003
http	Ipswitch IMail web service	34	0.003
http	IceWarp webmail httpd	34	0.003
http	webcamXP httpd	33	0.003
http	Microsoft-IIS	33	0.003
http	FRITZ!Box http config	33	0.003
http	FileMaker Web Publishing httpd	33	0.003
http	WCY_WEBServer	32	0.003
http	PunkBuster http config	32	0.003
http	gateway	32	0.003
http	Zope httpd	31	0.003
http	XWeb 1.0	31	0.003
http	HP Integrated Lights-Out http config	31	0.003
http	ArtDio ARU-504 broadband router http config	31	0.003
http	ViewSonic PJD6521 projector http config	30	0.003
http-proxy	Symantec firewall http proxy	30	0.003
http	IBM HTTP Server	30	0.003
http	BarracudaServer.com (WindowsCE)	30	0.003
http	Allnet	30	0.003
http	Z-World Rabbit	29	0.003
http	Trapeze-Srv	29	0.003
http	TeamViewer httpd	29	0.003
http	Stanley NT500 access control system httpd	29	0.003
http	Satel ETHM-1 alarm control unit	29	0.003
http	Netgear DGN1000 router http config	29	0.003
http	IBM WebSphere Application Server	29	0.003
http	HTTPD	29	0.003
http	GoldStar iPECS 50B PBX http config	29	0.003
http	DVSS Herculese DVR http config	29	0.003
http	D-Link MiniAVServer	29	0.003
http	Transmission BitTorrent management httpd	28	0.003
http	TP-LINK MR3420 WAP http config	28	0.003
http	Small Home Server httpd	28	0.003
http	m0n0wall FreeBSD firewall web interface	28	0.003
http	kangle	28	0.003
http	Fortinet FortiGate 50B firewall http config	28	0.003
telnet	Cisco or Edge-core switch telnetd	27	0.003
http	UltiDev Cassini httpd	27	0.003
http	Network Camera	27	0.003
http	Netgear WGR614v6 WAP http config	27	0.003
http	D-Link web camera http config	27	0.003
http	BlueIris	27	0.003
smtp	Postfix smtpd	26	0.003
smtp	Microsoft ESMTP	26	0.003
http	VMware ESXi Server httpd	26	0.003
http	Sun Niagara httpd	26	0.003
http	Snom 300 VoIP phone http config	26	0.003
http	SEEnergy SVR-116	26	0.003
http	Dreambox DVB Enigma httpd	26	0.003
http	CCcam card sharing system http config	26	0.003
directconnect	Direct Connect P2P	26	0.003
http	ZyCfg	25	0.003
http	Icecast streaming media server	25	0.003
http	D-Link DIR-815 WAP http config	25	0.003
http	Axigen webmail httpd	25	0.003
http	Wireless Network Camera	24	0.002
http	Digifort Enterprise 6.5 httpd	24	0.002
http	ADH-Web httpd	24	0.002
http	Abyss httpd	24	0.002
ftp	Pure-FTPd	24	0.002
ssh	SCS sshd	23	0.002
shoutcast	SHOUTcast server	23	0.002
http	Vivotek IP7131 Network Camera http config	23	0.002
http	TP-LINK WR741N/742N WAP http config	23	0.002
http	Tiny WebServer	23	0.002
http	ise GmbH HTTP-Server v2.0	23	0.002
http	FLC 0.52	23	0.002
http	FLC	23	0.002
http	D-Link DIR-110 WAP http config	23	0.002
http	D-Link DCS-3220 webcam http config	23	0.002
http	TP-LINK R402M WAP http config	22	0.002
http	Tinyweb httpd	22	0.002
http	NetPort httpd	22	0.002
http	Ipswitch WhatsUp Professional httpd	22	0.002
http	Cherokee httpd	22	0.002
http	Billion/TeleWell ADSL modem http config	22	0.002
ftp	Gene6 ftpd	22	0.002
smtp		21	0.002
http	WEBrick httpd	21	0.002
http	ver2.4 rev0	21	0.002
http	Linksys wireless-G WAP http config	21	0.002
http	Everfocus webcam http config	21	0.002
http	Embedded HTTP Server 2.43DDM	21	0.002
zebra	GNU Zebra routing software	20	0.002
openvpn	OpenVPN	20	0.002
http	TP-LINK WR1043N WAP http config	20	0.002
http	H264WebCam	20	0.002
http	D-Link router http config	20	0.002
http	Casi-Rusco camera/Bestelco VoIP phone http config	20	0.002
http	American Dynamics EDVR security recorder	20	0.002
vnc-http	Ultr@VNC	19	0.002
telnet	Linux telnetd	19	0.002
http	VPON Server	19	0.002
http	RapidLogic	19	0.002
http	Netgear DG834GB router http config	19	0.002
http	MultView WEB Server V1.1	19	0.002
http	IPCamera-Webs	19	0.002
http	Embedded HTTP Server 1.07DDM	19	0.002
http	D-Link printer/webcam http config	19	0.002
http	AquaController 4.0	19	0.002
http	Apache WebSnmp module	19	0.002
ftp	MikroTik router ftpd	19	0.002
svnserve	Subversion	18	0.002
http	TP-LINK MR3220 WAP http config	18	0.002
http	Tomato WAP firmware httpd	18	0.002
http	QNAP TS-219P NAS http config	18	0.002
http	Oracle Application Server 10g httpd	18	0.002
http	HyNetOS	18	0.002
http	Grandstream HT502 VoIP router http config	18	0.002
http	Easy File Sharing Web Server httpd	18	0.002
http	DnionOS	18	0.002
http	D-Link DI-524 WAP http config	18	0.002
http	David-WebBox	18	0.002
http	Alpha Five Application Server	18	0.002
http	TP-LINK WR941N/942N WAP http config	17	0.002
http	i-Catcher Console	17	0.002
http	Henry	17	0.002
http	GoAhead httpd	17	0.002
http	D-Link DCS-2121 webcam http config	17	0.002
http	ArGoSoft Mail Server Pro httpd	17	0.002
http	3Com switch http config	17	0.002
http	2Wire HomePortal touer http config	17	0.002
ftp	Synology DiskStation NAS ftpd	17	0.002
spy-net	Spy-Net or CyberGate backdoor	16	0.002
http	Siemens Gigaset PBX/TARGA DIP VoIP phone http config	16	0.002
http	LevelOne WBR-3408 http config	16	0.002
http	Debut embedded httpd	16	0.002
http	AverMedia WebCamX httpd	16	0.002
geovision-mobile	Geovision mobile device support	16	0.002
smtp	Microsoft Exchange smtpd	15	0.002
http	ZyXEL Prestige webadmin	15	0.002
http	Web Server	15	0.002
http	VMware ESX 4.0 Server httpd	15	0.002
http	TP-LINK WR845N WAP http config	15	0.002
http	TP-LINK WR541G WAP http config	15	0.002
http	TeleEye	15	0.002
http	Sun ONE Web Server	15	0.002
http	Embedded HTTP Server 1.02_WW	15	0.002
http	Beck IPC@CHIP embedded httpd	15	0.002
http	AddPac AP200B VoIP gateway http config	15	0.002
soap	gSOAP soap	14	0.001
rtsp		14	0.001
http	Zonet ZSR0104CP router http config	14	0.001
http	Smart Gateway	14	0.001
http	Realtron WebServer 1.1	14	0.001
http-proxy	F5 BIG-IP load balancer http proxy	14	0.001
http	Panasonic DVR slinger http config	14	0.001
http	Oracle WebLogic Server	14	0.001
http	nhttpd	14	0.001
http	Nadia	14	0.001
http	monit httpd	14	0.001
http	MiniWeb	14	0.001
http	Kerio Connect webmail httpd	14	0.001
http	HostMonitor Web Service	14	0.001
http	Dvrs WebSvr 1.0.0	14	0.001
http	D-Link DCS-6620 webcam http config	14	0.001
http	Cisco IOS http config	14	0.001
http	Bosch Divar Security Systems http config	14	0.001
http	APC SmartUPS http config	14	0.001
http	Accton VM1188T VoIP phone http config	14	0.001
secure-socket	CA Secure Socket Adapter	13	0.001
http	ZyXEL ZyWALL USG 100 firewall http config	13	0.001
http	YAMAHA-RT	13	0.001
http	Video server	13	0.001
http	Sipura SPA VoIP http config	13	0.001
http	Siemens Gigaset A580 or S450 VoIP phone http config	13	0.001
http	Oracle HTTP Server Powered by Apache	13	0.001
http	Network Dome Camera	13	0.001
http	Microsoft-HTTPAPI	13	0.001
http	MayGion WebServer(www.maygion.com)	13	0.001
http	httpd_gargoyle	13	0.001
http	Embedded HTTP Server 4.04beta	13	0.001
http	D-Link 2640T DSL router http config	13	0.001
http	Cohere	13	0.001
http	Cintech	13	0.001
vnc	RealVNC Personal	12	0.001
ssh	Bitvise WinSSHD	12	0.001
http	ZOT-828	12	0.001
http	WIWA	12	0.001
http	Wing FTP Server()	12	0.001
http	Varnish	12	0.001
http	uIP	12	0.001
http	Sun GlassFish	12	0.001
http	Rex media encoder http config	12	0.001
http	PDR-Jseries	12	0.001
http	Netgear FVS318 router http config	12	0.001
http	Netgear DG834 http config	12	0.001
http	mhttpd v1.0	12	0.001
http	Hydra	12	0.001
http	DeepMetrix Statistics Server	12	0.001
http	DECORUM	12	0.001
http	CommuniGate Pro httpd	12	0.001
http	AV-TECH AV787 Video Web Server	12	0.001
http	AIM HTTP	12	0.001
audioworks	AudioWorks sound server	12	0.001
vnc	RealVNC Enterprise	11	0.001
http	WWW File Share Pro httpd	11	0.001
http	Wing FTP Server	11	0.001
http	Vivotek Video Server	11	0.001
http	uClinux-httpd	11	0.001
http	teiron	11	0.001
http	TED 5000 power use monitor	11	0.001
http	Sipura SPA-2100 VoIP phone http config	11	0.001
http	QQ47771885	11	0.001
http	Netscape Enterprise httpd	11	0.001
http	Netgear or Linksys WAP http config	11	0.001
http	Knowledge On Demand httpd	11	0.001
http	Ipswitch Whats Up Gold	11	0.001
http	GM Streaming Server httpd	11	0.001
http	eMule P2P	11	0.001
http	CJServer	11	0.001
http	Allegro-Software-RomPager	11	0.001
ftp	vsftpd (before 2.0.8) or WU-FTPD	11	0.001
vnc-http	RealVNC	10	0.001
vnc	Apple remote desktop vnc	10	0.001
http	WSGIServer	10	0.001
http	Tntnet	10	0.001
http	Surgemail webmail	10	0.001
http	SNF	10	0.001
http	Mongrel httpd	10	0.001
http	Grandstream HT286 VoIP router http config	10	0.001
http	FCS-1040 P/T	10	0.001
http	Enigma2 Dreambox http config	10	0.001
http	Embedded HTTP Server 1.03_WW	10	0.001
http	D-Link DIR-412 WAP http config	10	0.001
http	CXRecord	10	0.001
http	build-in http server	10	0.001
http	AnWeb	10	0.001
ftp	ACLogic CesarFTPd	10	0.001