Overview of services running on Port 2040 TCP.
~19 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	Info	OS	Devicetype	Count	Percent
telnet	Cisco IOS telnetd			IOS	switch	5665	29.02
irc	Dancer ircd					3792	19.425
no match						2284	11.7
telnet						1899	9.728
chat	AIM or ICQ server					1403	7.187
ms-wbt-server	Microsoft Terminal Service			Windows		656	3.36
telnet	Cisco router telnetd			IOS	router	651	3.335
telnet	Cisco 1721 router telnetd			IOS	router	481	2.464
irc-proxy	ShroudBNC irc-proxy	1.1 revision 371				398	2.039
http	lighttpd	1.4.19				368	1.885
http	Microsoft IIS httpd					214	1.096
http	WangWnagSimpleServer	1.0				212	1.086
telnet	Linux telnetd			Linux		161	0.825
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		124	0.635
http						93	0.476
ssh			protocol 1.5			83	0.425
http	Boa HTTPd	0.94.14rc21				69	0.353
rtmp	Real-Time Messaging Protocol					55	0.282
arcserve	ARCserve Discovery					42	0.215
remoting	MS .NET Remoting services					39	0.2
ssh	OpenSSH	4.3	protocol 2.0			34	0.174
ftp	Microsoft ftpd			Windows		34	0.174
vnc	VNC		protocol 3.8			33	0.169
H.323-gatekeeper	CompTek AquaGateKeeper					31	0.159
nntp	INN nntpd		posting ok			27	0.138
ftp						27	0.138