Overview of services running on Port 55555 TCP.
~62 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	Info	OS	Devicetype	Count	Percent
no match						9175	14.738
http-proxy	Squid http proxy					6595	10.594
http	Boa HTTPd	0.94.13				6055	9.727
http						5630	9.044
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.7.0(0.0.02)				5167	8.3
http	SonicWALL				firewall	3530	5.671
http-proxy	Squid http proxy	3.1.10				2693	4.326
chat	AIM or ICQ server					1557	2.501
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.3.9.1				1093	1.756
http	uTorrent WebUI			Windows		1081	1.736
http	Intoto httpd	1.0				804	1.292
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.7.1.3(1.0.2)				746	1.198
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.5.1.2(1.2.0)				734	1.179
http	Ubicom httpd	1.1	D-Link DIR-625 WAP http config		WAP	688	1.105
http	AIM	1.0				676	1.086
http	RapidLogic httpd	1.1	3Com OfficeConnect WAP http config		WAP	658	1.057
http	ZNC IRC bouncer http config	0.097 or later				465	0.747
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.5.1.6(1.0.2)				434	0.697
http	Apache		SSL-only mode			408	0.655
http	lighttpd	1.4.19				351	0.564
ssh	OpenSSH	4.3	protocol 2.0			319	0.512
http	Microsoft IIS httpd	6.0		Windows		301	0.484
upnp	Intel MicroStack UPnP	1.0.2547	Wistron Digital Media Server DMS-1.50; UPnP 1.0	Windows		262	0.421
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.3.3.8()				234	0.376
http	Apache	2.2.9				227	0.365
http	Microsoft IIS httpd	7.5		Windows		223	0.358
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.6.5(0.0.05)				219	0.352
http	Netgear DGN1000 router http config				router	204	0.328
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.8.5.9(2.0.02)				192	0.308
ssh	OpenSSH	5.3	protocol 2.0			182	0.292
http	lighttpd	1.4.29				182	0.292
http	ZNC IRC bouncer httpd	0.090 - 0.096				146	0.235
http	Boa HTTPd	0.93.15				141	0.226
http	Netwave IP camera http config				webcam	140	0.225
http	ASSP	1.9.7.0(0.0.02)				140	0.225
vnc	VNC		protocol 3.8			134	0.215
http	POSIX					133	0.214
http	Apache					130	0.209
http	Cisco IOS http config			IOS		127	0.204
http	Httpd	1.0				122	0.196
telnet	Linux telnetd			Linux		119	0.191
irc-proxy	psyBNC	2.3.2-9				119	0.191
http	DrcomServer1.0					118	0.19
http	Apache Tomcat/Coyote JSP engine	1.1				111	0.178
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.3.5(1.0.00)				109	0.175
ssh	OpenSSH	5.1p1 Debian 5	protocol 2.0	Linux		105	0.169
ssh	OpenSSH	5.5p1 Debian 6	protocol 2.0	Linux		104	0.167
irc-proxy	psyBNC	2.3.2-7				98	0.157
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	protocol 2.0	Linux		92	0.148
http	GoAhead-Webs					90	0.145
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.1.8(1.1.02)				86	0.138
ssh			protocol 1.5			85	0.137
ssh	Dropbear sshd	0.51	protocol 2.0	Linux		85	0.137
ftp						83	0.133
http	Microsoft IIS httpd	7.0		Windows		82	0.132
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	82	0.132
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.2.6()				82	0.132
http	Netgear FS726TP switch http config				switch	81	0.13
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.3.3.10()				81	0.13
ssh	Dropbear sshd	0.52	protocol 2.0	Linux		75	0.12
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.5.1.8(1.0.00)				75	0.12
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.5.1.2(0.0.03)				72	0.116
socks-proxy	Socks4A					71	0.114
ssh	OpenSSH	5.9p1 Debian 5ubuntu1	Ubuntu Linux; protocol 2.0	Linux		70	0.112
ssh	OpenSSH	4.5p1	FreeBSD 20061110; protocol 2.0	FreeBSD		70	0.112
http-proxy	Squid http proxy	2.6.STABLE21				69	0.111
http	Netgear DG834 router http config				broadband router	67	0.108
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		66	0.106
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.7.0(0.0.00)				65	0.104
arcserve	ARCserve Discovery					64	0.103
http	GoAhead-Webs embedded httpd					63	0.101
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.5.1.1(1.0.04)				63	0.101
ftp	Microsoft ftpd			Windows		63	0.101
remoting	MS .NET Remoting services					60	0.096
telnet						59	0.095
http	Boa HTTPd	0.94.14rc21				57	0.092
ssl	TLS	1.0				56	0.09
http	mini_httpd	1.19 19dec2003				56	0.09
http	Trend Micro OfficeScan Antivirus http config			Windows		53	0.085
http	Microsoft IIS httpd					51	0.082
http	ASSP (Anti-Spam SMTP Proxy) httpd	2.2.1(12196)				50	0.08
ssh	Cisco SSH	1.25	protocol 1.5	IOS		49	0.079
http	Boa	0.93.15 (with Intersil Extensions)	CN3000 WAP http config		WAP	49	0.079
http-proxy	Squid http proxy	3.1.12				48	0.077
http	ASSP (Anti-Spam SMTP Proxy) httpd	2.2.1(12218)				44	0.071
http	ASSP (Anti-Spam SMTP Proxy) httpd	2.2.1(12137)				44	0.071
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.3.9(1.0.00)				44	0.071
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.2.9(1.0.00)				44	0.071
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.7.1.3(1.0.1)				43	0.069
ftp	ProFTPD	1.3.3		Unix		42	0.067
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.7.5.4(1.0.00)				41	0.066
http	thttpd	2.25b 29dec2003				39	0.063
http	GoAhead-Webs httpd					39	0.063
http	FLPS					39	0.063
http	ASSP Anti-Spam Proxy http config					39	0.063
ssh	Dropbear sshd	2011.54	protocol 2.0	Linux		38	0.061
http	uc-httpd	1.0.0				38	0.061
http	ASSP (Anti-Spam SMTP Proxy) httpd	2.1.1(11364)				38	0.061
ssh	OpenSSH	4.7	protocol 2.0			37	0.059
http	DD-WRT milli_httpd			Linux	WAP	37	0.059
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.3.9(1.0.02)				37	0.059
http	PunkBuster http config		Game: WAW			35	0.056
http	PDR-M800	1.0				35	0.056
http	kangle	2.8.3				34	0.055
http	MiniServ	1.590	Webmin httpd			33	0.053
http	Apache	2.2.3	(CentOS)			33	0.053
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.6.4(0.0.00)				32	0.051
ssh	Cisco SSH	1.25	protocol 1.99	IOS		31	0.05
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.7.5.7(1.0.07)				31	0.05
irc-proxy	psyBNC	2.3.1				30	0.048
http	thttpd		Panasonic BB-HCM511 IP camera http config			30	0.048
http	lighttpd					30	0.048
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.7.0(0.0.04)				30	0.048
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.3.5(1.0.02)				30	0.048
ssh	OpenSSH	5.4p1	FreeBSD 20100308; protocol 2.0	FreeBSD		29	0.047
http	Cisco IOS http config			IOS	switch	29	0.047
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.1.4(1.0.03)				29	0.047
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.5.1.2(0.1.00)				29	0.047
http	Apache	2.2.14	(Ubuntu)			29	0.047
ssh	WeOnlyDo sshd	2.1.3	protocol 2.0	Windows		28	0.045
ssh	OpenSSH	5.9	protocol 2.0			28	0.045
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.4.3.1				28	0.045
http	Apache	0.6.5				28	0.045
ftp	FileZilla ftpd	0.9.41 beta		Windows		28	0.045
http	MiniServ	0.01	Webmin httpd			27	0.043
ftp	Pure-FTPd					27	0.043
http	MiniServ	1.580	Webmin httpd			26	0.042
http	D-Link DIR-300 WAP http admin				WAP	25	0.04
upnp	MediaTomb UPnP	0.11.0	Linux 2.6.15; UPnP 1.0	Linux		24	0.039
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	Ubuntu Linux; protocol 2.0	Linux		24	0.039
smtp	Exim smtpd	4.77				24	0.039
http	Httpd					24	0.039
http	Hikvision-Webs					24	0.039
http	Buffalo AirStation http config				WAP	24	0.039
http	ASSP (Anti-Spam SMTP Proxy) httpd	2.1.1(12090)				24	0.039
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.3.4(1.0.05)				24	0.039
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.6.5.0(1.0.02)				24	0.039
vnc	RealVNC Personal		protocol 4.0			23	0.037
smtp	Exim smtpd					23	0.037
http	Netgear DG834G router http config				router	23	0.037
http	Draytek Vigor ADSL router webadmin				broadband router	23	0.037
vnc	VNC		protocol 3.6			22	0.035
http	httpd					22	0.035
http	GoAhead-Webs httpd		LinkSys SLM2024 or SRW2008 - SRW2016 switch http config		switch	22	0.035
http			General User			22	0.035
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.3.9(0.3)				22	0.035
directconnect	Direct Connect P2P			Windows		22	0.035
http	Mbedthis-Appweb	2.0.4				21	0.034
memcache	memcached					20	0.032
http	Transmission BitTorrent management httpd		unauthorized			20	0.032
http	lighttpd	1.4.28				20	0.032
http	kangle	2.9.4				20	0.032
http	Cross Web Server					20	0.032
http	ASSP (Anti-Spam SMTP Proxy) httpd	2.2.2(12221)				20	0.032
http	ASSP (Anti-Spam SMTP Proxy) httpd	1.9.6.3(0.0.00)				20	0.032
ftp	vsftpd	2.0.8 or later				20	0.032