Overview of services running on Port 505 TCP.
~15 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	SonicWALL		3518	23.283
http			3383	22.389
chat	AIM or ICQ server		2250	14.891
no match	-/-	-/-	1155	7.644
http	AIM	1.0	648	4.289
http	lighttpd	1.4.29	489	3.236
http	lighttpd	1.4.19	429	2.839
http	Microsoft IIS httpd	6.0	172	1.138
http	Apache		125	0.827
http	DrcomServer1.0		115	0.761
http	Microsoft HTTPAPI httpd	2.0	107	0.708
ssh			98	0.649
http	GoAhead-Webs		92	0.609
http	Apache Tomcat/Coyote JSP engine	1.1	87	0.576
http	Netwave IP camera http config		83	0.549
http	thttpd	2.24	79	0.523
http	Microsoft IIS httpd		78	0.516
vnc	VNC		76	0.503
http	Avtech AVN801 network camera	1.0	73	0.483
http	Apache	2.2.3	70	0.463
telnet			54	0.357
http	PDR-M800	1.0	54	0.357
ssh	OpenSSH	4.7	45	0.298
http	Boa HTTPd	0.94.14rc21	42	0.278
http	Apache	2.2.14	41	0.271
http	thttpd	2.24 26oct2003	40	0.265
http	Apache	2.2.22	37	0.245
http	thttpd		36	0.238
http	mini_httpd	1.19 19dec2003	32	0.212
arcserve	ARCserve Discovery		28	0.185
http	Microsoft IIS httpd	5.1	26	0.172
ftp	Microsoft ftpd		26	0.172
http	uc-httpd	1.0.0	25	0.165
http	Microsoft IIS httpd	7.5	25	0.165
http	lighttpd		24	0.159
http	Hikvision-Webs		24	0.159
http	lighttpd	1.4.20	23	0.152
http	thttpd	2.25b	22	0.146
http	Mbedthis-Appweb	2.0.4	22	0.146
http	Apache	2.2.16	21	0.139
ftp			21	0.139
http	Apache	2.0.52	19	0.126
http	Gadspot/Avtech AV787 webcam http config		18	0.119
http	Cross Web Server		18	0.119
http	GeoVision GeoHttpServer for webcams		17	0.113
http	Apache	2.0.53	16	0.106
ssh	OpenSSH	4.3	15	0.099
http-proxy	Squid http proxy	2.6.STABLE12	15	0.099
http	Boa HTTPd	0.94.13	15	0.099
http	Apache	2.2.9	15	0.099