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	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	343	2.811
ssh	OpenSSH	181	1.484
http	Microsoft IIS httpd	167	1.369
http	GoAhead-Webs httpd	163	1.336
http	Gateway-Webs	148	1.213
http	thttpd	125	1.025
http	Microsoft HTTPAPI httpd	101	0.828
http	Apache	99	0.811
ssh		79	0.648
irc-proxy	psyBNC	71	0.582
http	Allegro RomPager	59	0.484
bittorrent	Bittorrent P2P client	58	0.475
http	Boa HTTPd	57	0.467
vnc	VNC	51	0.418
http	WangWnagSimpleServer	42	0.344
telnet	Cisco 1721 router telnetd	35	0.287
http-proxy	Squid http proxy	32	0.262
arcserve	ARCserve Discovery	31	0.254
http	Apache Tomcat/Coyote JSP engine	30	0.246
ftp	Microsoft ftpd	25	0.205
http	nginx	24	0.197
http	Hikvision-Webs	24	0.197
nntp	INN nntpd	23	0.189
http	AkamaiGHost	21	0.172
directconnect	Direct Connect P2P	21	0.172
smtp	Postfix smtpd	18	0.148
ssl	TLS	16	0.131
smtp	Microsoft ESMTP	16	0.131
mysql	MySQL	16	0.131
ftp	ProFTPD	15	0.123
telnet	Cisco router telnetd	14	0.115
smtp	Exim smtpd	14	0.115
smtp		13	0.107
ftp	FileZilla ftpd	12	0.098
ftp	vsftpd	11	0.09