Overview of services running on Port 3986 TCP.
~27 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						10363	38.174
irc	Dancer ircd					4047	14.908
http	SonicWALL				firewall	3684	13.571
chat	AIM or ICQ server					2210	8.141
no match						1295	4.77
ssl	SSLv3					952	3.507
http	AIM	1.0				588	2.166
http	lighttpd	1.4.19				556	2.048
http	lighttpd	1.4.29				436	1.606
http	Microsoft IIS httpd	6.0		Windows		150	0.553
upnp	Portable SDK for UPnP devices	1.3.1	Linux 2.6.21; UPnP 1.0	Linux		144	0.53
http	GoAhead-Webs httpd					104	0.383
ssh			protocol 1.5			96	0.354
http	TBS	R2 UPnP				95	0.35
http	Apache Tomcat/Coyote JSP engine	1.1				80	0.295
http	WangWnagSimpleServer	1.0				77	0.284
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		77	0.284
http	thttpd	2.24				75	0.276
http	Netwave IP camera http config				webcam	70	0.258
http-proxy	EZproxy web proxy					69	0.254
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	69	0.254
http	Microsoft IIS httpd					55	0.203
telnet						53	0.195
http	PDR-M800	1.0				50	0.184
http	Ubuntu	lucid UPnP				48	0.177
http	Apache					39	0.144
vnc	VNC		protocol 3.8			37	0.136
http	Boa HTTPd	0.94.14rc21				36	0.133
arcserve	ARCserve Discovery					36	0.133
ftp	Microsoft ftpd			Windows		30	0.111
nntp	INN nntpd		posting ok			28	0.103
http-proxy	Squid http proxy	2.7.STABLE9				27	0.099
http	GoAhead-Webs					23	0.085