Overview of services running on Port 7938 TCP.
~18 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
irc	Dancer ircd	4041	21.456
http	SonicWALL	3542	18.806
http		3300	17.522
chat	AIM or ICQ server	2127	11.293
no match	-/-	1164	6.18
http	lighttpd	859	4.561
ssl	SSLv3	818	4.343
http	AIM	572	3.037
http	Apache	303	1.609
http	Microsoft IIS httpd	239	1.269
http	thttpd	140	0.743
ssh		98	0.52
http	GoAhead-Webs httpd	94	0.499
http	Microsoft HTTPAPI httpd	83	0.441
http	Apache Tomcat/Coyote JSP engine	83	0.441
http-proxy	Squid http proxy	80	0.425
http	Netwave IP camera http config	72	0.382
ssh	OpenSSH	71	0.377
telnet		55	0.292
http	Avtech AVN801 network camera	52	0.276
http	Boa HTTPd	49	0.26
http	PDR-M800	42	0.223
vnc	VNC	37	0.196
http	Jetty	36	0.191
http	mini_httpd	33	0.175
http	GoAhead-Webs	29	0.154
mysql	MySQL	25	0.133
ftp	Microsoft ftpd	25	0.133
http	Hikvision-Webs	23	0.122
smtp	Microsoft ESMTP	17	0.09
http	Mbedthis-Appweb	17	0.09
http	uTorrent WebUI	15	0.08
http	uc-httpd	15	0.08
http	nginx	15	0.08
shoutcast	SHOUTcast server	13	0.069
http	Gadspot/Avtech AV787 webcam http config	12	0.064
ftp	vsftpd	12	0.064
ftp	Pure-FTPd	12	0.064
http-proxy	F5 BIG-IP load balancer http proxy	11	0.058
http	Cross Web Server	11	0.058
http	AIM HTTP	11	0.058
ftp	ProFTPD	11	0.058
ftp		11	0.058
smtp		10	0.053
http-proxy	EZproxy web proxy	10	0.053
http	GeoVision GeoHttpServer for webcams	10	0.053