Overview of services running on Port 3389 TCP.
~6.24 Million 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
ms-wbt-server	Microsoft Terminal Service	6203805	99.436
ms-wbt-server	xrdp	13342	0.214
ssh	OpenSSH	4118	0.066
irc	Dancer ircd	4038	0.065
no match	-/-	3992	0.064
ms-wbt-server	VirtualBox VM Remote Desktop Service	2631	0.042
chat	AIM or ICQ server	1779	0.029
vnc	VNC	799	0.013
http		502	0.008
http	Microsoft IIS httpd	394	0.006
http	Microsoft HTTPAPI httpd	245	0.004
http	lighttpd	221	0.004
vnc	RealVNC Enterprise	214	0.003
http	Boa HTTPd	174	0.003
http	WangWnagSimpleServer	161	0.003
citrix-ica	Citrix Metaframe XP ICA	135	0.002
telnet	Linux telnetd	131	0.002
ssh	Dropbear sshd	126	0.002
http	micro_httpd	119	0.002
http	Jetty	109	0.002
openvpn	OpenVPN	108	0.002
ssh		103	0.002
http	nginx	93	0.001
vnc	RealVNC Personal	85	0.001
arcserve	ARCserve Discovery	83	0.001
telnet		81	0.001
vnc		62	0.001
http	Ubicom	60	0.001
mysql	MySQL	58	0.001
ftp	Microsoft ftpd	52	0.001
http	uhttpd	50	0.001
ftp	Serv-U ftpd	50	0.001
ftp		42	0.001
http	Router	40	0.001
http	MiniServ	40	0.001
minecraft	Minecraft game server	36	0.001
http	TP-LINK Router	35	0.001
eggdrop	Eggdrop irc bot console	35	0.001
smtp		34	0.001
smtp	Postfix smtpd	30	0.0
http	thttpd	29	0.0
ftp	FileZilla ftpd	29	0.0
vnc	Apple remote desktop vnc	28	0.0
nntp	INN nntpd	28	0.0
ftp	ProFTPD	24	0.0
ssh	Bitvise WinSSHD	22	0.0
http	Linksys router http config	21	0.0
smtp	Microsoft ESMTP	20	0.0
irc	Unreal ircd	19	0.0
http	httpd 1.1	19	0.0
ftp	vsftpd	19	0.0
directconnect	Direct Connect P2P	19	0.0
damewaremr	DameWare Mini Remote Control	18	0.0
telnet	Netgear broadband router or ZyXel VoIP adapter telnetd	17	0.0
ssh	SCS sshd	15	0.0
jabber	ejabberd	15	0.0
http	WYM httpd	15	0.0
http	Router Webserver	15	0.0
ssl	TLS	14	0.0
rtmp	Real-Time Messaging Protocol	14	0.0
ftp	Pure-FTPd	14	0.0
ssh	MikroTik RouterOS sshd	11	0.0
smtp	Exim smtpd	11	0.0
eggdrop	Eggdrop IRC bot console	11	0.0
telnet	Allied Telesis x900-series switch telnetd	10	0.0
ssh	Cisco SSH	10	0.0