Overview of services running on Port 3703 TCP.
~31 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	Count	Percent
http			9778	30.77
http	Apache Tomcat/Coyote JSP engine	1.1	5148	16.2
irc	Dancer ircd		4037	12.704
http	SonicWALL		3731	11.741
chat	AIM or ICQ server		2181	6.863
no match	-/-	-/-	1269	3.993
ssl	SSLv3		823	2.59
http	AIM	1.0	580	1.825
http	lighttpd	1.4.19	508	1.599
http	lighttpd	1.4.29	436	1.372
http	Apache	2.2.8	276	0.869
http	Microsoft IIS httpd	6.0	145	0.456
http	WangWnagSimpleServer	1.0	105	0.33
http	GoAhead-Webs httpd		104	0.327
http-proxy	EZproxy web proxy		96	0.302
http	TBS	R2 UPnP	94	0.296
ssh			92	0.29
http	Microsoft HTTPAPI httpd	2.0	76	0.239
http	Netwave IP camera http config		74	0.233
upnp	Portable SDK for UPnP devices	1.3.1	70	0.22
http	Avtech AVN801 network camera	1.0	69	0.217
http	Microsoft IIS httpd		67	0.211
http	Ubuntu	lucid UPnP	61	0.192
http	thttpd	2.24	59	0.186
http	PDR-M800	1.0	59	0.186
telnet			57	0.179
vnc	VNC		50	0.157
http	Apache		50	0.157
http	Apache	1.3.6	49	0.154
http	Apache	2.2.3	37	0.116
http	Apache	2.2.14	36	0.113
arcserve	ARCserve Discovery		34	0.107
ftp	Microsoft ftpd		31	0.098
http	Boa HTTPd	0.94.14rc21	29	0.091
http	thttpd	2.24 26oct2003	27	0.085
nntp	INN nntpd		26	0.082
http-proxy	Squid http proxy	2.7.STABLE9	26	0.082
http	Apache	2.2.22	26	0.082
http	mini_httpd	1.19 19dec2003	25	0.079
http	GoAhead-Webs		24	0.076
http	Net-OS 5.xx UPnP	1.0	21	0.066
http	lighttpd		21	0.066
http	thttpd		19	0.06
http	Hikvision-Webs		19	0.06
http	thttpd	2.25b	18	0.057
http	Mbedthis-Appweb	2.0.4	18	0.057
http	Microsoft IIS httpd	5.0	17	0.053
http	Apache Tomcat/Coyote JSP engine	1.0	17	0.053
http	Apache	2.0.53	17	0.053
http	lighttpd	1.4.30	16	0.05
http	Apache	2.2.16	16	0.05
http	Microsoft IIS httpd	7.5	15	0.047
http	Microsoft IIS httpd	5.1	15	0.047