Overview of services running on Port 5190 TCP.
~347 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
smtp			284264	81.875
smtp	Sendmail		22580	6.504
http			11984	3.452
irc	Dancer ircd		4055	1.168
http	SonicWALL		3730	1.074
smtp	Sendmail	8.13.6.20060614/8.13.6	3709	1.068
chat	AIM or ICQ server		2439	0.702
no match	-/-	-/-	1780	0.513
http-proxy	Squid http proxy		1193	0.344
ssl	SSLv3		957	0.276
smtp	Sendmail	8.14.5/8.13.6	936	0.27
smtp	Sendmail	8.13.6.20060614/8.13.1	761	0.219
smtp	Sendmail	8.12.11.20060614	761	0.219
http	AIM	1.0	597	0.172
http	lighttpd	1.4.29	431	0.124
http	lighttpd	1.4.19	405	0.117
smtp	Sendmail	8.14.5/8.14.4	379	0.109
smtp	Sendmail	8.12.11.20060614/8.12.11	330	0.095
smtp	Sendmail	8.14.4/8.13.6	329	0.095
smtp	Sendmail	8.13.6.20060614/8.12.6	268	0.077
smtp	Exim smtpd	4.77	196	0.056
smtp	Sendmail	8.13.6.20060614/8.12.11	171	0.049
http	Microsoft IIS httpd	6.0	133	0.038
http	Icecast streaming media server		127	0.037
smtp	Sendmail	8.14.5/8.14.5	123	0.035
http	Netwave IP camera http config		117	0.034
ssh			112	0.032
http	GoAhead-Webs httpd		110	0.032
vnc	VNC		100	0.029
http	Microsoft HTTPAPI httpd	2.0	94	0.027
http	Apache Tomcat/Coyote JSP engine	1.1	87	0.025
http	Avtech AVN801 network camera	1.0	83	0.024
http	Microsoft IIS httpd		76	0.022
smtp	Sendmail	8.12.11.20060614/8.12.10	75	0.022
http	Apache		75	0.022
http	thttpd	2.24	65	0.019
smtp	Sendmail	8.12.11.20060614/8.12.9	64	0.018
irc	Unreal ircd		64	0.018
ssh	OpenSSH	4.3	57	0.016
smtp	Postfix smtpd		57	0.016
telnet			56	0.016
http	PDR-M800	1.0	52	0.015
http	Apache	2.2.3	52	0.015
http	Apache	2.2.22	50	0.014
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	49	0.014
jabber	ejabberd		45	0.013
http	Boa HTTPd	0.94.14rc21	45	0.013
http	Apache	2.2.14	45	0.013
smtp	Exim smtpd	4.69	43	0.012
smtp	Sendmail	8.12.11.20060614/8.11.6	41	0.012
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	40	0.012
smtp	Sendmail	8.14.5/8.13.4	40	0.012
http-proxy	Squid http proxy	2.7.STABLE9	37	0.011
http	thttpd		33	0.01
http	mini_httpd	1.19 19dec2003	32	0.009
ftp			32	0.009
http	thttpd	2.25b	31	0.009
ssh	Dropbear sshd	0.52	30	0.009
http	uTorrent WebUI		30	0.009
openvpn	OpenVPN		28	0.008
http-proxy	Squid http proxy	2.6.STABLE21	28	0.008
http	Apache	1.3.28	28	0.008
ftp	Microsoft ftpd		28	0.008
smtp	Sendmail	8.12.11.20060614/8.12.6	27	0.008
http-proxy	EZproxy web proxy		27	0.008
http	Hikvision-Webs		27	0.008
http	Apache	2.2.16	27	0.008
ssh	OpenSSH	5.3	25	0.007
vnc	RealVNC Personal		24	0.007
ssh	OpenSSH	5.1p1 Debian 5	24	0.007
smtp	Microsoft ESMTP	6.0.3790.4675	23	0.007
http	Mbedthis-Appweb	2.0.4	23	0.007
http	GoAhead-Webs		23	0.007
vnc	RealVNC Enterprise		22	0.006
ssh	OpenSSH	5.4p1	22	0.006
http	UserGate http report area		22	0.006
smtp	Sendmail	8.14.1/8.14.1	21	0.006
smtp	Microsoft Exchange smtpd		21	0.006
http	Apache	2.2.15	21	0.006
http-proxy	Squid http proxy	3.1.19	20	0.006
vnc			19	0.005
ssh	OpenSSH	5.1p1	19	0.005
http-proxy	Squid http proxy	3.1.10	19	0.005
smtp	Sendmail	8.13.4/8.13.4	18	0.005
http	uc-httpd	1.0.0	18	0.005
http	thttpd	2.24 26oct2003	18	0.005
http	GeoVision GeoHttpServer for webcams		18	0.005
smtp	Sendmail	8.12.11.20060614/8.11.2	17	0.005
http-proxy	Squid http proxy	2.6.STABLE12	17	0.005
http	Apache	2.2.9	17	0.005
http	Apache	2.2.21	17	0.005
ssh	OpenSSH	5.5p1 Debian 6+squeeze1	16	0.005
http	Microsoft IIS httpd	5.1	16	0.005
http	lighttpd	1.4.20	16	0.005
http-proxy	F5 BIG-IP load balancer http proxy		15	0.004
http	Boa HTTPd	0.94.13	15	0.004