Overview of services running on Port 1 TCP.
~26 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						4926	18.834
http	SonicWALL				firewall	3495	13.363
no match						3119	11.925
chat	AIM or ICQ server					2187	8.362
http	Sagem F@st router httpd				router	2001	7.651
tcpmux						1630	6.232
http-proxy	Squid http proxy	2.6.STABLE21				1034	3.953
http	Httpd	1.0				649	2.481
http	AIM	1.0				649	2.481
http	Boa HTTPd	0.94.13				623	2.382
http	lighttpd	1.4.19				411	1.571
http	lighttpd	1.4.29				408	1.56
http	Microsoft IIS httpd					260	0.994
vnc	VNC		protocol 3.8			252	0.963
http	Microsoft IIS httpd	6.0		Windows		245	0.937
http	Boa httpd					193	0.738
vnc	VNC		protocol 3.6			138	0.528
tcpmux	SGI IRIX tcpmux		Available services: sgi_printer	IRIX		126	0.482
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	115	0.44
http	DrcomServer1.0					113	0.432
tcpmux	SGI IRIX tcpmux		Available services: sgi_printer,sgi_scanner	IRIX		109	0.417
http	GoAhead-Webs httpd					108	0.413
http	Netwave IP camera http config				webcam	103	0.394
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		100	0.382
ssh			protocol 1.5			96	0.367
http	Apache Tomcat/Coyote JSP engine	1.1				90	0.344
arcserve	ARCserve Discovery					70	0.268
telnet						64	0.245
http	PDR-M800	1.0				46	0.176
http	mini_httpd	1.19 19dec2003				45	0.172
http	Boa HTTPd	0.94.14rc21				44	0.168
ftp						42	0.161
http	siyou server					41	0.157
http	Hikvision-Webs					39	0.149
http	Apache					39	0.149
http	uc-httpd	1.0.0				38	0.145
http	Gadspot/Avtech AV787 webcam http config				webcam	34	0.13
http	Buffalo AirStation http config				WAP	32	0.122
http	GoAhead-Webs					31	0.119
geovision-control	Geovision webcam control				webcam	31	0.119
http-proxy	Squid http proxy	2.6.STABLE12				30	0.115
tcpmux	SGI IRIX tcpmux		Available services: sgi_sysadm,sgi_printer,sgi_scanner	IRIX		28	0.107
smtp						28	0.107
http	uTorrent WebUI			Windows		28	0.107
http	Apache		SSL-only mode			28	0.107
ftp	Serv-U ftpd	6.0		Windows		28	0.107
http	Mbedthis-Appweb	2.0.4				27	0.103
ftp	Microsoft ftpd			Windows		27	0.103
soap	gSOAP soap	2.7				25	0.096
http	DVR Systems webcam http interface				webcam	25	0.096
http	Microsoft IIS httpd	7.5		Windows		24	0.092
ssh	OpenSSH	4.3	protocol 2.0			23	0.088
http	thttpd	2.25b				20	0.076