Overview of services running on Port 32771 TCP.
~42 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
rpcbind						23911	56.621
http						4795	11.354
http	SonicWALL				firewall	3726	8.823
no match						2904	6.877
chat	AIM or ICQ server					1984	4.698
ssl	SSLv3					873	2.067
http	lighttpd	1.4.19				419	0.992
http	AIM	1.0				327	0.774
http	lighttpd	1.4.29				169	0.4
http	Microsoft IIS httpd					140	0.332
http	Jetty	6.1.x				136	0.322
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		102	0.242
http	GoAhead-Webs httpd					101	0.239
ssh			protocol 1.5			100	0.237
flexlm	FlexLM license manager					95	0.225
http	TimesTen httpd					88	0.208
http	Apache Tomcat/Coyote JSP engine	1.1				79	0.187
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	58	0.137
http	Netwave IP camera http config				webcam	56	0.133
telnet						55	0.13
vnc	VNC		protocol 3.8			45	0.107
http	Microsoft IIS httpd	6.0		Windows		43	0.102
http	PDR-M800	1.0				41	0.097
ftp						39	0.092
http	uTorrent WebUI			Windows		38	0.09
http	httpd					38	0.09
http	Apache					37	0.088
http	Plex Media Center httpd			Mac OS X		32	0.076
ssh	OpenSSH	5.6	protocol 2.0			31	0.073
http	FLPS					31	0.073
http	Boa HTTPd	0.94.14rc21				29	0.069
http	Mac OS X					27	0.064
http	Apache	1.3.6				25	0.059
ssl	TLS	1.0				23	0.054
http	mini_httpd	1.19 19dec2003				23	0.054
vnc	Apple remote desktop vnc			Mac OS X		22	0.052
http	Net-OS 5.xx UPnP	1.0				22	0.052
http	Apache		SSL-only mode			22	0.052
ssh	OpenSSH	4.3	protocol 2.0			20	0.047
http	DD-WRT milli_httpd					20	0.047