Overview of services running on Port 901 TCP.
~26 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
http	Samba SWAT administration server					9940	37.56
http	SonicWALL				firewall	3405	12.867
http						3392	12.817
http	Samba SWAT administration server		Access denied			1780	6.726
chat	AIM or ICQ server					1519	5.74
no match						1142	4.315
http	AIM	1.0				643	2.43
http	Apache					575	2.173
smtp						342	1.292
http	Microsoft IIS httpd	6.0		Windows		337	1.273
http	lighttpd	1.4.19				329	1.243
http	lighttpd	1.4.29				257	0.971
http	Netwave IP camera http config				webcam	133	0.503
http	DrcomServer1.0					111	0.419
ssh			protocol 1.5			88	0.333
http	Microsoft IIS httpd	7.5		Windows		85	0.321
http	Apache Tomcat/Coyote JSP engine	1.1				83	0.314
http	GoAhead-Webs					82	0.31
vnc	VNC		protocol 3.8			75	0.283
http	thttpd	2.24 26oct2003				75	0.283
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	63	0.238
http	Microsoft IIS httpd	7.0		Windows		54	0.204
http	Microsoft IIS httpd					50	0.189
telnet						49	0.185
http	PDR-M800	1.0				46	0.174
tcpwrapped	BSD TCP Wrappers		swat			45	0.17
http	uc-httpd	1.0.0				31	0.117
http	Boa HTTPd	0.94.14rc21				30	0.113
http	thttpd	2.25b 29dec2003				29	0.11
http	mini_httpd	1.19 19dec2003				29	0.11
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		29	0.11
http	Apache		SSL-only mode			29	0.11
ftp	Microsoft ftpd			Windows		27	0.102
telnet	Microsoft Windows 2000 telnetd			Windows		23	0.087
http	Gadspot/Avtech AV787 webcam http config				webcam	22	0.083
http	Apache	2.2.3	(CentOS)			22	0.083
http	Mbedthis-Appweb	2.0.4				20	0.076
http	Hikvision-Webs					20	0.076