Overview of services running on Port 9091 TCP.
~89 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	-/-	-/-	64373	71.595
http	Microsoft HTTPAPI httpd	2.0	4819	5.36
irc	Dancer ircd		4060	4.515
telnet	Cisco router telnetd		3816	4.244
http	rhttpd		2951	3.282
chat	AIM or ICQ server		2142	2.382
telnet	Cisco IOS telnetd		1102	1.226
ssl	TLS	1.0	874	0.972
telnet			860	0.956
http			858	0.954
telnet	Cisco 1721 router telnetd		767	0.853
http	Microsoft IIS httpd		692	0.77
http	lighttpd	1.4.19	408	0.454
http	Boa HTTPd	0.94.14rc21	161	0.179
ssh			119	0.132
ssh	OpenSSH	4.3	105	0.117
vnc	VNC		89	0.099
remoting	MS .NET Remoting services		69	0.077
arcserve	ARCserve Discovery		61	0.068
ftp	Microsoft ftpd		59	0.066
http	Secure Computing Sidewinder firewall http admin		52	0.058
http	Jetty	6.1.25	51	0.057
ftp			40	0.044
http	httpd 1.1		28	0.031
http	nginx		27	0.03
http	MS .NET Remoting httpd		26	0.029
http	IBM WebSphere Application Server	5.1	26	0.029
vnc	RealVNC Enterprise		24	0.027
http	Jetty	6.1.x	22	0.024
ssh	OpenSSH	5.4p1	21	0.023
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	21	0.023
http	MS .NET Remoting		21	0.023
ftp	Pure-FTPd		20	0.022
socks-proxy	Socks4A		19	0.021
http	micro_httpd		19	0.021
ssh	OpenSSH	5.3	18	0.02
http	nginx	1.2.3	16	0.018
http	D-Link router/Airlink NAS http config		16	0.018
http	thttpd		15	0.017
http	Jetty	6.1.5	15	0.017
http	IBM WebSphere Application Server	5.0	15	0.017
directconnect	Direct Connect P2P		15	0.017