Overview of services running on Port 199 TCP.
~1.29 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	Version	Count	Percent
smux	HP-UX smux		940069	73.004
no match	-/-	-/-	339891	26.395
chat	AIM or ICQ server		2616	0.203
http			950	0.074
http	lighttpd	1.4.29	481	0.037
http	lighttpd	1.4.19	430	0.033
http	Microsoft IIS httpd		397	0.031
http	Microsoft HTTPAPI httpd	2.0	253	0.02
http	GoAhead-Webs httpd		122	0.009
ssh			111	0.009
vnc	VNC		109	0.008
http	thttpd	2.24	109	0.008
http	Boa HTTPd	0.94.14rc21	100	0.008
arcserve	ARCserve Discovery		82	0.006
http	Apache Tomcat/Coyote JSP engine	1.1	76	0.006
telnet			65	0.005
http	GeoVision GeoHttpServer for webcams		59	0.005
http	thttpd	2.25b	56	0.004
ftp	Microsoft ftpd		55	0.004
ssh	OpenSSH	4.3	47	0.004
http	thttpd		46	0.004
ftp			45	0.003
ssh	MikroTik RouterOS sshd		33	0.003
socks5			33	0.003
vnc	RealVNC Enterprise		30	0.002
metatrader	MetaTrader Data Center		26	0.002
http	lighttpd		24	0.002
http	Boa HTTPd	0.94.13	24	0.002
http	Hikvision-Webs		20	0.002
vnc	RealVNC Personal		19	0.001
http-proxy	Squid http proxy	2.7.STABLE9	19	0.001
ftp	FileZilla ftpd	0.9.41 beta	19	0.001
ftp	Pure-FTPd		18	0.001
http	lighttpd	1.4.20	17	0.001
vnc			16	0.001
smtp			16	0.001
upnp	Microsoft Windows UPnP		15	0.001
smtp	Microsoft Exchange smtpd		15	0.001
http-proxy	MikroTik http proxy		15	0.001
http	Microsoft IIS httpd	5.1	15	0.001
http	lighttpd	1.4.23	15	0.001