Overview of services running on Port 3031 TCP.
~22 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
appleevents	Apple Remote Events			Mac OS X		13787	60.406
irc	Dancer ircd					3687	16.154
chat	AIM or ICQ server					1454	6.37
no match						1418	6.213
http	lighttpd	1.4.19				361	1.582
http						299	1.31
ssh	OpenSSH	5.2	protocol 2.0			255	1.117
http	Microsoft IIS httpd					210	0.92
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		108	0.473
ssh	OpenSSH	5.3	protocol 2.0			93	0.407
ssh	OpenSSH	4.3	protocol 2.0			82	0.359
ssh			protocol 1.5			78	0.342
http	WangWnagSimpleServer	1.0				64	0.28
quagga	Quagga routing software	0.99.20.1	Derivative of GNU Zebra			58	0.254
http	Boa HTTPd	0.94.14rc21				51	0.223
telnet	Allied Telesis x900-series switch telnetd				switch	40	0.175
arcserve	ARCserve Discovery					33	0.145
vnc	VNC		protocol 3.8			32	0.14
ssh	OpenSSH	3.7.1p2	protocol 1.99			31	0.136
ssh	Dropbear sshd	0.51	protocol 2.0	Linux		31	0.136
ftp	Microsoft ftpd			Windows		31	0.136
ftp						28	0.123
nntp	INN nntpd		posting ok			25	0.11
irc-proxy	psyBNC	2.3.2-9				23	0.101