Overview of services running on Port 106 TCP.
~440 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
pop3pw	poppassd	380814	86.396
pop3pw	ApplePasswordServer pop3 password change daemon	16549	3.755
no match	-/-	10998	2.495
http		9580	2.173
pop3pw	CommuniGate Pro pop3 password change daemon	4074	0.924
http	SonicWALL	3654	0.829
pop3pw	Ipswitch IMail pop3 password change daemon	2630	0.597
chat	AIM or ICQ server	2192	0.497
http	Apache	1056	0.24
pop3pw	Courierpassd pop3 password change daemon	949	0.215
http	lighttpd	892	0.202
pop3pw	SINA pop3pw	803	0.182
pop3pw	Mercury/32 poppass service	757	0.172
ssl	SSLv3	755	0.171
http	AIM	598	0.136
pop3pw	ModusMail poppassd	560	0.127
http	Microsoft IIS httpd	416	0.094
pop3pw	Post.Office pop3pw	345	0.078
http	Netwave IP camera http config	199	0.045
http	thttpd	193	0.044
tcpwrapped	BSD TCP Wrappers	186	0.042
pop3pw	Atrium Software's Mercur pop3pw	168	0.038
http	Microsoft HTTPAPI httpd	137	0.031
http	GoAhead-Webs httpd	131	0.03
http	a_63	121	0.027
ssh	OpenSSH	120	0.027
pop3pw	SLMail pop3pw	103	0.023
ssh		98	0.022
http	Apache Tomcat/Coyote JSP engine	86	0.02
http	Boa HTTPd	83	0.019
http	Avtech AVN801 network camera	77	0.017
http-proxy	Squid http proxy	63	0.014
telnet		57	0.013
vnc	VNC	56	0.013
http	PDR-M800	51	0.012
http	mini_httpd	49	0.011
http	Mbedthis-Appweb	38	0.009
pop3pw	Stalker Mail Server password change daemon	37	0.008
arcserve	ARCserve Discovery	36	0.008
http	nginx	33	0.007
http	Hikvision-Webs	33	0.007
ftp	Microsoft ftpd	31	0.007
mysql	MySQL	24	0.005
http	uc-httpd	20	0.005
http	GoAhead-Webs	20	0.005
http	GeoVision GeoHttpServer for webcams	17	0.004
http	dcs-lig-httpd	17	0.004
http	Cross Web Server	17	0.004
http	RemotelyAnywhere remote PC management httpd	16	0.004
http	DVR Systems webcam http interface	15	0.003
ftp	ProFTPD	15	0.003
ftp		15	0.003
ftp	vsftpd	14	0.003
http-proxy	F5 BIG-IP load balancer http proxy	13	0.003
http	GoAhead-Webs embedded httpd	13	0.003
ftp	Serv-U ftpd	13	0.003
ftp	FileZilla ftpd	13	0.003
smtp		12	0.003
telnet	Cisco 1721 router telnetd	11	0.002
http	D-Link/Airlink IP webcam http config	11	0.002
vnc	RealVNC Enterprise	10	0.002
smtp	Microsoft Exchange smtpd	10	0.002
pop3		10	0.002
http	WebLogic httpd	10	0.002
http	uTorrent WebUI	10	0.002
http	TeleEye	10	0.002
http	Gadspot/Avtech AV787 webcam http config	10	0.002