Overview of services running on Port 5432 TCP.
~447 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
postgresql	PostgreSQL DB		183484	41.028
postgresql	PostgreSQL DB	8.4.12	43275	9.676
postgresql	PostgreSQL DB	8.4.1 - 8.4.11	40404	9.034
postgresql	PostgreSQL DB	9.0.1 - 9.0.6	36599	8.184
postgresql	PostgreSQL DB	8.3.9 - 8.3.13	28682	6.413
postgresql	PostgreSQL DB	8.1.11 - 8.1.23	16282	3.641
postgresql	PostgreSQL DB	7.4.12 - 7.4.30	13686	3.06
postgresql	PostgreSQL		13600	3.041
no match	-/-	-/-	12366	2.765
postgresql	PostgreSQL DB	8.2.6 - 8.2.19	9843	2.201
postgresql	PostgreSQL DB	8.3.0 - 8.3.7	6355	1.421
postgresql	PostgreSQL DB	9.1.0 - 9.1.1	5589	1.25
postgresql	PostgreSQL DB	9.1.2 - 9.1.3	4738	1.059
postgresql	PostgreSQL DB	9.1.4	4722	1.056
http			3712	0.83
http	SonicWALL		3459	0.773
postgresql	PostgreSQL DB	8.3.14 - 8.3.18	3341	0.747
postgresql	PostgreSQL DB	8.4.1 - 8.4.2	3088	0.69
chat	AIM or ICQ server		2446	0.547
postgresql	PostgreSQL DB	8.0.0	1467	0.328
http	AIM	1.0	645	0.144
postgresql	PostgreSQL DB	8.4.0	628	0.14
http	lighttpd	1.4.19	608	0.136
postgresql	PostgreSQL DB	8.3.9	503	0.112
postgresql	PostgreSQL DB	9.1.5 - 9.1.6	487	0.109
postgresql	PostgreSQL DB	8.0.15 - 8.0.26	462	0.103
http	lighttpd	1.4.29	457	0.102
postgresql	PostgreSQL DB	8.2.20 - 8.2.23	382	0.085
http	Microsoft IIS httpd		310	0.069
postgresql	PostgreSQL DB	8.3.19	292	0.065
postgresql	PostgreSQL DB	8.4.13 - 8.4.14	281	0.063
http	Microsoft HTTPAPI httpd	2.0	240	0.054
upnp	Netgear WGU624 WAP UPnP		154	0.034
http	Microsoft IIS httpd	6.0	152	0.034
vnc	VNC		136	0.03
http	DrcomServer1.0		119	0.027
http	thttpd	2.24	116	0.026
ssh			102	0.023
http	Netwave IP camera http config		95	0.021
http	Apache		92	0.021
http	Avtech AVN801 network camera	1.0	90	0.02
http	Apache Tomcat/Coyote JSP engine	1.1	88	0.02
http	GoAhead-Webs		83	0.019
pgbouncer	PgFoundry PgBouncer PostgreSQL connection pooler		82	0.018
telnet			81	0.018
http	Boa HTTPd	0.94.14rc21	73	0.016
ssh	OpenSSH	4.3	57	0.013
http	PDR-M800	1.0	50	0.011
http	thttpd	2.24 26oct2003	49	0.011
http	Gateway Controller 3560		48	0.011
http	Netgear DG834 router http config		47	0.011
http	Apache	2.2.3	45	0.01
http	thttpd	2.25b	43	0.01
http	GoAhead-Webs embedded httpd		43	0.01
http	Apache	2.2.14	43	0.01
dominoconsole	Lotus Domino Console		42	0.009
http	Apache	2.2.22	41	0.009
http	JAWS	1.0prebeta	36	0.008
http	mini_httpd	1.19 19dec2003	34	0.008
http	Microsoft IIS httpd	7.5	34	0.008
arcserve	ARCserve Discovery		34	0.008
ftp	Microsoft ftpd		31	0.007
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	26	0.006
http-proxy	EZproxy web proxy		26	0.006
http	Microsoft IIS httpd	7.0	26	0.006
http	http server 1.0		26	0.006
http	Apache	2.2.16	26	0.006
http	thttpd		25	0.006
ftp			25	0.006
http	lighttpd	1.4.20	24	0.005
http	uc-httpd	1.0.0	23	0.005
http	MiniServ	0.01	23	0.005
http	Microsoft IIS httpd	5.1	23	0.005
ftp	Pure-FTPd		23	0.005
http	Hikvision-Webs		22	0.005
http	Apache	1.3.28	22	0.005
postgresql	PostgreSQL DB	8.3.20 - 8.3.21	21	0.005
http	Netgear DG834G router http config		21	0.005
http	GeoVision GeoHttpServer for webcams		21	0.005
ssl	multi-vendor SSL		20	0.004
smtp			20	0.004
http	lighttpd		20	0.004
ftp	vsftpd	2.0.8 or later	20	0.004
ssl	TLS	1.0	19	0.004
Server: Gateway Controller 3560, S; description: " Jan-24-2012 10"	N	10518054, Build	19	0.004
http	Apache	2.0.53	19	0.004
ftp	FileZilla ftpd	0.9.41 beta	19	0.004
smtp	Microsoft Exchange smtpd		18	0.004
Server: Gateway Controller 3560, S; description: " Jan-24-2012 10"	N	10518053, Build	18	0.004
http	Boa HTTPd	0.93.15	18	0.004
ssh	OpenSSH	3.9p1	17	0.004
http	thttpd	2.25b 29dec2003	17	0.004
http	Mbedthis-Appweb	2.0.4	17	0.004
http	DVR Systems webcam http interface		17	0.004
http	Boa HTTPd	0.94.13	17	0.004
http	Apache	2.2.11	17	0.004
vnc	RealVNC Enterprise		16	0.004
ssh	OpenSSH	5.2	16	0.004
ssh	OpenSSH	5.1p1 Debian 5	16	0.004
vnc	RealVNC Personal		15	0.003
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	15	0.003
ssh	OpenSSH	5.3	15	0.003
http	WYM httpd	1.0	15	0.003
http-proxy	Ncat http proxy		15	0.003
http	GoAhead-Webs httpd		15	0.003
http	Apache	2.2.9	15	0.003
http	Apache	2.2.21	15	0.003
directconnect	Direct Connect P2P		15	0.003