Overview of services running on Port 7 TCP.
~160 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
no match						157070	97.608
chat	AIM or ICQ server					1458	0.906
http						507	0.315
http	lighttpd	1.4.19				366	0.227
tcpwrapped	BSD TCP Wrappers		echo			207	0.129
http	Microsoft IIS httpd					181	0.112
http	GoAhead-Webs httpd					103	0.064
ssh			protocol 1.5			87	0.054
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		87	0.054
vnc	VNC		protocol 3.8			43	0.027
telnet						43	0.027
http	Apache Tomcat/Coyote JSP engine	1.1				29	0.018
http	Boa HTTPd	0.94.14rc21				26	0.016
http	Boa httpd					23	0.014
http	Boa HTTPd	0.94.13				22	0.014