Overview of services running on Port 900 TCP.
~36 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						9541	26.021
http	Check Point VPN-1/UTM NGX R70 firewall http admin				firewall	5031	13.721
http	Check Point Firewall-1 Client Authentication httpd					4156	11.334
no match						3947	10.764
http	SonicWALL				firewall	3529	9.624
chat	AIM or ICQ server					1601	4.366
netsaint	Netsaint status daemon					868	2.367
http	AIM	1.0				669	1.825
http	awweb	1.0				662	1.805
http	Apache					484	1.32
http	Microsoft IIS httpd	6.0		Windows		412	1.124
http	lighttpd	1.4.19				381	1.039
http	Httpd	1.0				372	1.015
http	lighttpd	1.4.29				282	0.769
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	167	0.455
http	awweb	awweb	.			153	0.417
vnc	VNC		protocol 3.8			151	0.412
http	Netwave IP camera http config				webcam	149	0.406
http	kProxyService					130	0.355
http	DrcomServer1.0					116	0.316
http	Microsoft IIS httpd	7.5		Windows		112	0.305
http	Apache Tomcat/Coyote JSP engine	1.1				102	0.278
http	Microsoft IIS httpd					97	0.265
ssh			protocol 1.5			85	0.232
http	thttpd	2.24 26oct2003				73	0.199
http	GoAhead-Webs					72	0.196
http	mini_httpd	1.19 19dec2003				66	0.18
http	Apache	2.2.3	PHP/4.4.4-8+etch4 mod_ssl/2.2.3 OpenSSL/0.9.8c			66	0.18
http	Apache		SSL-only mode			59	0.161
smtp	Exim smtpd					58	0.158
http	Hikvision-Webs					58	0.158
http	Microsoft IIS httpd	7.0		Windows		57	0.155
http	Checkpoint firewall client authentication httpd				firewall	56	0.153
http	PDR-M800	1.0				54	0.147
ftp	Microsoft ftpd			Windows		51	0.139
http	uc-httpd	1.0.0				45	0.123
telnet						43	0.117
http	GoAhead-Webs embedded httpd					43	0.117
ssh	OpenSSH	4.3	protocol 2.0			42	0.115
http	Boa HTTPd	0.94.14rc21				39	0.106
http	thttpd	2.25b 29dec2003				38	0.104
http	D-Link DIR-300 WAP http admin				WAP	37	0.101
vnc			protocol 3			34	0.093
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		34	0.093
vnc	VNC		protocol 3.7			33	0.09
http	Apache	2.2.16	(Debian) PHP/5.3.3-7+squeeze1 with Suhosin-Patch mod_ssl/2.2.22 OpenSSL/1.0.1			33	0.09
http	DVR Systems webcam http interface				webcam	30	0.082
http	Cross Web Server					30	0.082
http	addUPI Server 1.2					30	0.082
directconnect	Direct Connect P2P			Windows		29	0.079
http	MikroTik router config httpd			RouterOS	router	28	0.076
http	Mbedthis-Appweb	2.0.4				27	0.074
http	Apache	2.2.14	(Ubuntu)			27	0.074
http	thttpd		Panasonic BB-HCM511 IP camera http config			25	0.068
http	Gadspot/Avtech AV787 webcam http config				webcam	25	0.068
http	Apache	2.2.3	(CentOS)			25	0.068
http	GeoVision GeoHttpServer for webcams				webcam	24	0.065
ssh	OpenSSH	4.3p2 Debian 9etch3	protocol 2.0	Linux		22	0.06
ssh	OpenSSH	2.3.0 mikrotik 2.9	protocol 1.99		router	22	0.06
http	Microsoft IIS httpd	5.0		Windows		21	0.057
http	nginx	0.6.32				20	0.055
http	Apache	2.2.16	(Debian)			20	0.055