Overview of services running on Port 540 TCP.
~20 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	SonicWALL				firewall	3504	17.047
http						2970	14.449
no match						2797	13.607
uucp	Solaris uucpd			Solaris		2225	10.825
chat	AIM or ICQ server					2172	10.567
uucp	Taylor uucpd					1337	6.505
uucp	SunOS uucpd			SunOS		813	3.955
http	AIM	1.0				634	3.084
http	lighttpd	1.4.29				491	2.389
http	lighttpd	1.4.19				411	2.0
http	lighttpd	1.4.30				285	1.387
http	Microsoft IIS httpd	6.0		Windows		129	0.628
http	DrcomServer1.0					120	0.584
ssh			protocol 1.5			95	0.462
http	Netwave IP camera http config				webcam	85	0.414
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		85	0.414
http	GoAhead-Webs					81	0.394
http	Apache Tomcat/Coyote JSP engine	1.1				77	0.375
http	Microsoft IIS httpd					70	0.341
http	thttpd	2.24				65	0.316
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	62	0.302
uucp	AIX uucpd			AIX		60	0.292
telnet						58	0.282
http	thttpd	2.24 26oct2003				52	0.253
http	PDR-M800	1.0				51	0.248
vnc	VNC		protocol 3.8			44	0.214
http	Apache					42	0.204
http	Boa HTTPd	0.94.14rc21				34	0.165
http	Apache		SSL-only mode			32	0.156
arcserve	ARCserve Discovery					31	0.151
uucp	Solaris uucpd					29	0.141
http	thttpd	2.25b				25	0.122
http	mini_httpd	1.19 19dec2003				24	0.117
ftp						24	0.117
http	uc-httpd	1.0.0				22	0.107
http	Microsoft IIS httpd	7.5		Windows		22	0.107
http	Gadspot/Avtech AV787 webcam http config				webcam	22	0.107
http	Hikvision-Webs					21	0.102
http	Apache	2.2.3	(CentOS)			21	0.102
http	GeoVision GeoHttpServer for webcams				webcam	20	0.097