Overview of services running on Port 625 TCP.
~21 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
http			9645	44.239
http	SonicWALL		3707	17.003
chat	AIM or ICQ server		2208	10.128
no match	-/-	-/-	940	4.312
ssl	SSLv3		793	3.637
http	AIM	1.0	613	2.812
http	lighttpd	1.4.29	425	1.949
http	lighttpd	1.4.19	412	1.89
smtp			234	1.073
smtp	Sendmail		148	0.679
http	Microsoft IIS httpd	6.0	122	0.56
http	GoAhead-Webs httpd		109	0.5
smtp	Postfix smtpd		101	0.463
ssh			98	0.45
http	Apache Tomcat/Coyote JSP engine	1.1	95	0.436
http	Microsoft HTTPAPI httpd	2.0	80	0.367
http	Netwave IP camera http config		74	0.339
http	thttpd	2.24	73	0.335
vnc	VNC		70	0.321
http	Avtech AVN801 network camera	1.0	63	0.289
http	Microsoft IIS httpd		60	0.275
http	Apache		55	0.252
telnet			51	0.234
http	PDR-M800	1.0	45	0.206
http-proxy	Squid http proxy	2.6.STABLE12	37	0.17
http	Apache	2.2.14	34	0.156
http	Apache	2.2.3	32	0.147
arcserve	ARCserve Discovery		29	0.133
smtp	Microsoft Exchange smtpd		26	0.119
http	mini_httpd	1.19 19dec2003	26	0.119
http	Boa HTTPd	0.94.14rc21	26	0.119
http-proxy	Squid http proxy	2.7.STABLE9	25	0.115
http	Apache	2.2.22	24	0.11
http	Hikvision-Webs		23	0.105
http	GoAhead-Webs		22	0.101
http	Apache	2.2.16	21	0.096
ftp	Microsoft ftpd		21	0.096
http	thttpd	2.25b	20	0.092
http	thttpd		20	0.092
http	Mbedthis-Appweb	2.0.4	20	0.092
http	thttpd	2.24 26oct2003	18	0.083
http	uc-httpd	1.0.0	17	0.078
ftp	vsftpd	2.0.8 or later	17	0.078
ftp			17	0.078
smtp	Exim smtpd		16	0.073
directconnect	Direct Connect P2P		15	0.069