Overview of services running on Port 3351 TCP.
~27 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
psql-btrieve	Pervasive.SQL Server - Btrieve Engine					15405	55.296
irc	Dancer ircd					4094	14.695
chat	AIM or ICQ server					2373	8.518
no match						2266	8.134
http						457	1.64
http	lighttpd	1.4.19				424	1.522
mysql	MySQL		unauthorized			272	0.976
http	Microsoft IIS httpd					195	0.7
http	WangWnagSimpleServer	1.0				170	0.61
http	GoAhead-Webs httpd					154	0.553
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		129	0.463
eggdrop	Eggdrop irc bot console	1.6.18	botname: islam			127	0.456
mysql	MySQL	5.1.48-community				121	0.434
http	thttpd	2.24				113	0.406
mysql	MySQL	5.1.51-community				102	0.366
ssh			protocol 1.5			93	0.334
eggdrop	Eggdrop irc bot console	1.6.18	botname: Hoca			93	0.334
vnc	VNC		protocol 3.8			56	0.201
telnet						55	0.197
http	Boa HTTPd	0.94.14rc21				48	0.172
arcserve	ARCserve Discovery					48	0.172
http	thttpd	2.25b				36	0.129
ftp	Microsoft ftpd			Windows		32	0.115
http	Hikvision-Webs					30	0.108
nntp	INN nntpd		posting ok			28	0.101
http-proxy	Squid http proxy	2.7.STABLE9				27	0.097