Overview of services running on Port 593 TCP.
~141 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
ncacn_http	Microsoft Windows RPC over HTTP	1.0	125271	88.286
http			6815	4.803
http	SonicWALL		2907	2.049
chat	AIM or ICQ server		1773	1.25
no match	-/-	-/-	870	0.613
ssl	SSLv3		601	0.424
http	Apache	2.2.8	544	0.383
http	AIM	1.0	474	0.334
http	lighttpd	1.4.19	397	0.28
http	a_63		215	0.152
http	lighttpd	1.4.29	130	0.092
ssh			90	0.063
http	GoAhead-Webs httpd		87	0.061
http	Microsoft IIS httpd	6.0	78	0.055
http	Microsoft IIS httpd		60	0.042
http	Microsoft HTTPAPI httpd	2.0	60	0.042
http	thttpd	2.24	58	0.041
http	Avtech AVN801 network camera	1.0	46	0.032
http	Apache		46	0.032
http	Netwave IP camera http config		45	0.032
http	Apache Tomcat/Coyote JSP engine	1.1	45	0.032
telnet			44	0.031
http	Apache	1.3.6	34	0.024
vnc	VNC		33	0.023
http	PDR-M800	1.0	32	0.023
http-proxy	Squid http proxy	2.6.STABLE12	31	0.022
http	GoAhead-Webs		30	0.021
http	Apache	2.2.14	27	0.019
http	Apache	2.2.3	25	0.018
arcserve	ARCserve Discovery		25	0.018
http	mini_httpd	1.19 19dec2003	23	0.016
http	Boa HTTPd	0.94.14rc21	23	0.016
http-proxy	Squid http proxy	2.7.STABLE9	22	0.016
http	Hikvision-Webs		18	0.013
http	thttpd	2.24 26oct2003	17	0.012
http	Apache	2.2.22	16	0.011
http	thttpd		15	0.011
ftp	Microsoft ftpd		15	0.011