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	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
http	lighttpd	880	3.592
ssl	SSLv3	830	3.388
http	AIM	600	2.449
http	Microsoft IIS httpd	309	1.261
http	Apache	279	1.139
ssh	OpenSSH	124	0.506
http	GoAhead-Webs httpd	115	0.469
ssh		94	0.384
tcpwrapped	BSD TCP Wrappers	89	0.363
http	Microsoft HTTPAPI httpd	87	0.355
http	Apache Tomcat/Coyote JSP engine	87	0.355
http	Boa HTTPd	79	0.322
http	Netwave IP camera http config	77	0.314
http-proxy	Squid http proxy	68	0.278
http	Avtech AVN801 network camera	66	0.269
http	Httpd	56	0.229
http	thttpd	55	0.224
telnet		52	0.212
vnc	VNC	44	0.18
http	Sagem F@st router httpd	43	0.176
http	PDR-M800	43	0.176
ssh	SCS sshd	42	0.171
http	Hikvision-Webs	31	0.127
mysql	MySQL	27	0.11
http	mini_httpd	26	0.106
http	GoAhead-Webs	21	0.086
ftp	Microsoft ftpd	18	0.073
ftp		18	0.073
http	nginx	17	0.069
http	Mbedthis-Appweb	17	0.069
http	Boa httpd	17	0.069
http	uc-httpd	16	0.065
http	DVR Systems webcam http interface	15	0.061
ftp	Pure-FTPd	15	0.061
http-proxy	F5 BIG-IP load balancer http proxy	14	0.057
ftp	vsftpd	14	0.057
http	uTorrent WebUI	13	0.053
http	GeoVision GeoHttpServer for webcams	12	0.049
http	Cross Web Server	11	0.045
ftp	Serv-U ftpd	11	0.045
ssh	Dropbear sshd	10	0.041
http	AIM HTTP	10	0.041
ftp	ProFTPD	10	0.041