Overview of services running on Port 2627 TCP.
~12 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		3479	28.516
http			1680	13.77
chat	AIM or ICQ server		1449	11.877
no match	-/-	-/-	1315	10.779
telnet	Cisco IOS telnetd		1290	10.574
telnet			579	4.746
http	lighttpd	1.4.19	339	2.779
http	GoAhead-Webs httpd		163	1.336
http	Microsoft IIS httpd		150	1.23
http	Gateway-Webs		148	1.213
ssh	OpenSSH	5.1p1 Debian 6ubuntu2	114	0.934
http	Microsoft HTTPAPI httpd	2.0	101	0.828
ssh			79	0.648
http	thttpd	2.24	73	0.598
irc-proxy	psyBNC	2.3.2-9	71	0.582
http	Allegro RomPager	4.07 UPnP/1.0	58	0.475
bittorrent	Bittorrent P2P client		58	0.475
vnc	VNC		51	0.418
http	WangWnagSimpleServer	1.0	42	0.344
telnet	Cisco 1721 router telnetd		35	0.287
http	Boa HTTPd	0.94.14rc21	32	0.262
arcserve	ARCserve Discovery		31	0.254
http	Apache Tomcat/Coyote JSP engine	1.1	30	0.246
http	thttpd	2.25b	25	0.205
http	Hikvision-Webs		24	0.197
ftp	Microsoft ftpd		24	0.197
nntp	INN nntpd		23	0.189
http	Apache	2.2.3	21	0.172
http	AkamaiGHost		21	0.172
directconnect	Direct Connect P2P		21	0.172
http	thttpd		19	0.156
smtp	Postfix smtpd		18	0.148
http-proxy	Squid http proxy	2.6.STABLE12	18	0.148
http	Apache		17	0.139
ssl	TLS	1.0	16	0.131