Overview of services running on Port 9 TCP.
~24 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			9864	40.26
http	SonicWALL		3658	14.93
http	a_63		2288	9.338
chat	AIM or ICQ server		2266	9.249
no match	-/-	-/-	1374	5.608
ssl	SSLv3		830	3.388
http	AIM	1.0	600	2.449
http	lighttpd	1.4.29	432	1.763
http	lighttpd	1.4.19	408	1.665
http	Microsoft IIS httpd	6.0	139	0.567
http	Microsoft IIS httpd		126	0.514
http	GoAhead-Webs httpd		115	0.469
ssh			94	0.384
tcpwrapped	BSD TCP Wrappers		89	0.363
http	Microsoft HTTPAPI httpd	2.0	87	0.355
http	Apache Tomcat/Coyote JSP engine	1.1	87	0.355
http	Netwave IP camera http config		77	0.314
http	Avtech AVN801 network camera	1.0	66	0.269
http	Httpd	1.0	56	0.229
http	Apache		53	0.216
telnet			52	0.212
vnc	VNC		44	0.18
http	Sagem F@st router httpd		43	0.176
http	PDR-M800	1.0	43	0.176
ssh	SCS sshd	2.0.13	39	0.159
http	Boa HTTPd	0.94.13	35	0.143
http-proxy	Squid http proxy	2.6.STABLE12	32	0.131
http	Hikvision-Webs		31	0.127
http	Boa HTTPd	0.94.14rc21	31	0.127
http	Apache	2.2.14	29	0.118
http	mini_httpd	1.19 19dec2003	26	0.106
http-proxy	Squid http proxy	2.7.STABLE9	24	0.098
http	Apache	2.2.3	24	0.098
http	GoAhead-Webs		21	0.086
http	Apache	2.2.16	21	0.086
http	thttpd		20	0.082
http	thttpd	2.25b	19	0.078
ftp			18	0.073
http	Mbedthis-Appweb	2.0.4	17	0.069
http	Boa httpd		17	0.069
http	uc-httpd	1.0.0	16	0.065
http	Microsoft IIS httpd	7.5	16	0.065
http	DVR Systems webcam http interface		15	0.061
ftp	Pure-FTPd		15	0.061
ftp	Microsoft ftpd		15	0.061