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	Version	Info	OS	Devicetype	Count	Percent
irc	Dancer ircd					4041	21.456
http	SonicWALL				firewall	3542	18.806
http						3275	17.389
chat	AIM or ICQ server					2127	11.293
no match						1164	6.18
ssl	SSLv3					818	4.343
http	AIM	1.0				572	3.037
http	lighttpd	1.4.19				419	2.225
http	lighttpd	1.4.29				407	2.161
http	Microsoft IIS httpd	6.0		Windows		122	0.648
ssh			protocol 1.5			95	0.504
http	GoAhead-Webs httpd					94	0.499
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		83	0.441
http	Apache Tomcat/Coyote JSP engine	1.1				82	0.435
http	Netwave IP camera http config				webcam	72	0.382
http	Microsoft IIS httpd					66	0.35
http	thttpd	2.24				57	0.303
telnet						55	0.292
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	52	0.276
http	PDR-M800	1.0				42	0.223
http	Apache					35	0.186
http	mini_httpd	1.19 19dec2003				32	0.17
http	Boa HTTPd	0.94.14rc21				30	0.159
http	GoAhead-Webs					29	0.154
http	Jetty	6.1.25				28	0.149
vnc	VNC		protocol 3.8			27	0.143
http-proxy	Squid http proxy	2.7.STABLE9				26	0.138
http-proxy	Squid http proxy					25	0.133
ftp	Microsoft ftpd			Windows		24	0.127
http	Hikvision-Webs					23	0.122
http	thttpd	2.24 26oct2003				21	0.112
http	Apache	2.2.3	(CentOS)			20	0.106