Overview of services running on Port 3 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	Count	Percent
http		9484	42.453
http	SonicWALL	3707	16.594
chat	AIM or ICQ server	2250	10.072
no match	-/-	1152	5.157
http	lighttpd	972	4.351
ssl	SSLv3	953	4.266
http	AIM	592	2.65
http	Apache	335	1.5
http	Microsoft IIS httpd	271	1.213
http	Sagem F@st router httpd	170	0.761
http	Boa HTTPd	162	0.725
http	GoAhead-Webs httpd	125	0.56
ssh	OpenSSH	123	0.551
ssh		105	0.47
http	Httpd	103	0.461
http	Netwave IP camera http config	102	0.457
http	Microsoft HTTPAPI httpd	102	0.457
vnc	VNC	85	0.38
http-proxy	Squid http proxy	77	0.345
http	Apache Tomcat/Coyote JSP engine	77	0.345
http	Avtech AVN801 network camera	71	0.318
http	thttpd	62	0.278
telnet		49	0.219
http	PDR-M800	40	0.179
http	mini_httpd	35	0.157
mysql	MySQL	29	0.13
http	Boa httpd	29	0.13
ssh	Dropbear sshd	28	0.125
ftp	Netgear broadband router or ZyXel VoIP adapter ftpd	28	0.125
ftp		27	0.121
http	Hikvision-Webs	23	0.103
ftp	Microsoft ftpd	23	0.103
http	uTorrent WebUI	21	0.094
http	Mbedthis-Appweb	20	0.09
http	GoAhead-Webs	20	0.09
http	uc-httpd	19	0.085
http	nginx	17	0.076
ftp	vsftpd	17	0.076
ftp	ProFTPD	16	0.072
http	DVR Systems webcam http interface	13	0.058
http	Cross Web Server	13	0.058
ftp	FileZilla ftpd	13	0.058
http-proxy	F5 BIG-IP load balancer http proxy	12	0.054
http	GeoVision GeoHttpServer for webcams	12	0.054
http	AIM HTTP	12	0.054
ftp	Serv-U ftpd	12	0.054
ftp	Pure-FTPd	12	0.054
telnet	Linux telnetd	11	0.049
smtp	Postfix smtpd	11	0.049
http	World Client WDaemon httpd	11	0.049
http	Jetty	11	0.049
http	Gadspot/Avtech AV787 webcam http config	11	0.049
http	Allegro RomPager	11	0.049
smtp	Microsoft ESMTP	10	0.045
smtp		10	0.045
http	RemotelyAnywhere remote PC management httpd	10	0.045
http	MikroTik router http config	10	0.045