Overview of services running on Port 1501 TCP.
~17 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
no match	-/-	-/-	5856	32.704
irc	Dancer ircd		4021	22.456
chat	AIM or ICQ server		1977	11.041
http	WangWnagSimpleServer	1.0	963	5.378
http			760	4.244
eggdrop	Eggdrop IRC bot console	1.6.21	737	4.116
http	lighttpd	1.4.19	421	2.351
http	lighttpd	1.4.29	362	2.022
http	Microsoft IIS httpd		235	1.312
http	Microsoft HTTPAPI httpd	2.0	159	0.888
http	Apache	2.2.16	150	0.838
http	Boa HTTPd	0.94.14rc21	120	0.67
http	GoAhead-Webs httpd		114	0.637
http	thttpd	2.24	106	0.592
ovm-manager	Oracle VM Manager		102	0.57
http	Virata-EmWeb	6.0.1	98	0.547
ssh			96	0.536
vnc	VNC		88	0.491
citrix-ica	Citrix Metaframe XP ICA		68	0.38
telnet			60	0.335
arcserve	ARCserve Discovery		54	0.302
http	thttpd	2.25b	51	0.285
time			43	0.24
http	Boa httpd		41	0.229
http	thttpd		40	0.223
ftp	Microsoft ftpd		40	0.223
http	Apache Tomcat/Coyote JSP engine	1.1	35	0.195
nntp	INN nntpd		28	0.156
ftp			28	0.156
http	Boa HTTPd	0.94.13	26	0.145
http-proxy	Squid http proxy	2.7.STABLE9	24	0.134
telnet	BSD-derived telnetd		23	0.128
ssl	TLS	1.0	23	0.128
http	Varnish		22	0.123
http	Hikvision-Webs		22	0.123
http	Panasonic webcam http config		21	0.117
smtp			18	0.101
remoting	MS .NET Remoting services		17	0.095
http	Apache	2.2.3	17	0.095
xml			16	0.089
http	Microsoft IIS httpd	5.1	16	0.089
http-proxy	Squid http proxy	2.6.STABLE12	15	0.084
http	lighttpd		15	0.084
http	http server 1.0		15	0.084