Overview of services running on Port 8031 TCP.
~65 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			44645	68.253
irc	Dancer ircd		4048	6.189
http	SonicWALL		3658	5.592
chat	AIM or ICQ server		2193	3.353
no match	-/-	-/-	1484	2.269
ssl	SSLv3		975	1.491
http	lighttpd	1.4.19	672	1.027
http	AIM	1.0	587	0.897
http	lighttpd	1.4.29	357	0.546
http	Microsoft IIS httpd	6.0	337	0.515
http	Microsoft HTTPAPI httpd	2.0	302	0.462
shoutcast-publishing	SHOUTcast publishing port		289	0.442
http	GeoVision GeoHttpServer for webcams		242	0.37
http	lighttpd	1.4.30	238	0.364
http	Microsoft IIS httpd		213	0.326
ssl	TLS	1.0	183	0.28
http	Netwave IP camera http config		174	0.266
http	GoAhead-Webs httpd		168	0.257
http	Apache Tomcat/Coyote JSP engine	1.1	155	0.237
http	mini_httpd	1.19 19dec2003	150	0.229
http	Microsoft HTTPAPI httpd	1.0	143	0.219
telnet			124	0.19
http	Apache		115	0.176
http	NAI EPO Agent framework		112	0.171
http	lighttpd	1.4.28	112	0.171
http	Boa HTTPd	0.94.14rc21	105	0.161
ssh			98	0.15
http	OpenDNS Guide		97	0.148
http	thttpd	2.24	67	0.102
http	thttpd		67	0.102
http	uTorrent WebUI		63	0.096
http	Apache	2.2.14	62	0.095
http	Avtech AVN801 network camera	1.0	58	0.089
http	Apache	2.2.3	57	0.087
http	Apache	2.2.8	50	0.076
vnc	VNC		49	0.075
http	Apache	2.2.9	48	0.073
http	PDR-M800	1.0	43	0.066
ftp	Microsoft ftpd		43	0.066
shoutcast	SHOUTcast server	1.9.8	42	0.064
http	Apache	2.2.16	42	0.064
http	Apache	1.3.6	42	0.064
http	Jetty	6.1.25	37	0.057
http	thttpd	2.25b	34	0.052
http	Microsoft IIS httpd	7.0	34	0.052
ssl	TLSv1		33	0.05
rtsp			32	0.049
http	Boa HTTPd	0.94.13	31	0.047
http-proxy	Squid http proxy		30	0.046
smtp	Postfix smtpd		29	0.044
http	Microsoft IIS httpd	5.0	29	0.044
http	lighttpd		29	0.044
http	Hikvision-Webs		29	0.044
http	nginx	1.0.11	28	0.043
http	Microsoft IIS httpd	7.5	28	0.043
http	Apache	2.2.22	28	0.043
http-proxy	Squid http proxy	2.7.STABLE9	27	0.041
http	GoAhead-Webs		25	0.038
http	uc-httpd	1.0.0	23	0.035
http	nginx		23	0.035
http	Icecast streaming media server		23	0.035
http	Boa HTTPd	0.93.15	23	0.035
http	Apache	2.2.15	23	0.035
http	Apache	2.2.17	21	0.032
http	Apache	2.0.53	21	0.032
http	Cross Web Server		20	0.031
http	Apache	2.4.1	20	0.031
http	build-in http server		19	0.029
http	Apache	2.3.8	19	0.029
ssh	OpenSSH	4.3	18	0.028
http	Engine 12.6.1.369		18	0.028
http	Apache	1.3.28	18	0.028
http	thttpd	2.24 26oct2003	17	0.026
http	Mbedthis-Appweb	2.0.4	17	0.026
http	dcs-lig-httpd		17	0.026
http	Cisco IOS http config		17	0.026
ftp	vsftpd	2.0.8 or later	17	0.026
http-proxy	Squid http proxy	2.6.STABLE12	16	0.024
http	lighttpd	1.4.20	16	0.024
http	DD-WRT milli_httpd		16	0.024
http	RapidLogic httpd	1.1	15	0.023
http-proxy	EZproxy web proxy		15	0.023
http	ESJOBHTTP 1.6 (Windows)		15	0.023
ftp			15	0.023