Overview of services running on Port 1220 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	Count	Percent
irc	Dancer ircd		3959	15.173
http	SonicWALL		3535	13.548
http			3411	13.073
chat	AIM or ICQ server		1969	7.546
http	DarwinStreamingServer	5.5	1956	7.497
http	DarwinStreamingServer	6.0	1488	5.703
no match	-/-	-/-	1241	4.756
http	WangWnagSimpleServer	1.0	1148	4.4
http	Apple QTSS Admin Server	1.0	703	2.694
http	AIM	1.0	684	2.621
http	QTSS Admin Server httpd	1.0	618	2.369
http	QTSS 5.5 Admin Server	1.0	424	1.625
http	Apache	2.2.16	420	1.61
http	lighttpd	1.4.29	397	1.522
http	lighttpd	1.4.19	393	1.506
http	DarwinStreamingServer	5.0	256	0.981
http	Microsoft IIS httpd	6.0	144	0.552
http	DrcomServer1.0		121	0.464
ssh	MikroTik RouterOS sshd		106	0.406
ssh			97	0.372
http	Netwave IP camera http config		96	0.368
http	QTSS 6.0 Admin Server	1.0	87	0.333
http	Boa HTTPd	0.94.14rc21	80	0.307
http	GoAhead-Webs		78	0.299
http	Apache Tomcat/Coyote JSP engine	1.1	76	0.291
http	Apache		71	0.272
http	Avtech AVN801 network camera	1.0	66	0.253
http	Microsoft HTTPAPI httpd	2.0	62	0.238
vnc	VNC		57	0.218
http	thttpd	2.24 26oct2003	56	0.215
telnet			55	0.211
http	Apache	2.2.9	55	0.211
http	PDR-M800	1.0	52	0.199
http	thttpd	2.24	47	0.18
http	Microsoft IIS httpd		45	0.172
http	Apache	2.2.3	42	0.161
http	Apache	2.2.14	40	0.153
http	Apache	2.2.22	34	0.13
http	Microsoft IIS httpd	7.5	33	0.126
imap	UW imapd	2007e.404	32	0.123
http	DarwinStreamingServer	3.0	31	0.119
socks5			30	0.115
ftp	Microsoft ftpd		30	0.115
http	thttpd		29	0.111
http	mini_httpd	1.19 19dec2003	29	0.111
http	GeoVision GeoHttpServer for webcams		28	0.107
nntp	INN nntpd		26	0.1
http	uc-httpd	1.0.0	25	0.096
http	thttpd	2.25b 29dec2003	25	0.096
http	Gadspot/Avtech AV787 webcam http config		25	0.096
ssh	OpenSSH	4.3	23	0.088
http	Hikvision-Webs		22	0.084
http	DVR Systems webcam http interface		22	0.084
http	Microsoft IIS httpd	7.0	19	0.073
http	Microsoft IIS httpd	5.1	19	0.073
http	Mbedthis-Appweb	2.0.4	19	0.073
ftp			19	0.073
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	18	0.069
http	GoAhead-Webs embedded httpd		18	0.069
http	Apache	1.3.34	18	0.069
arcserve	ARCserve Discovery		18	0.069
http	uTorrent WebUI		17	0.065
http	lighttpd	1.4.20	17	0.065
directconnect	Direct Connect P2P		17	0.065
http	Boa HTTPd	0.94.13	16	0.061