Overview of services running on Port 445 TCP.
~418 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	Count	Percent
netbios-ssn			187810	44.839
microsoft-ds	Microsoft Windows XP microsoft-ds		56436	13.474
http	thttpd	2.25b	51179	12.219
microsoft-ds	Microsoft Windows 2003 or 2008 microsoft-ds		39196	9.358
netbios-ssn	Samba smbd	3.X	29495	7.042
netbios-ssn	Microsoft Windows 98 netbios-ssn		18651	4.453
no match	-/-	-/-	9793	2.338
ssl	SSLv3		6074	1.45
http			5010	1.196
netbios-ssn	Samba smbd		4198	1.002
http	Apache		3461	0.826
microsoft-ds	Microsoft Windows 2000 microsoft-ds		1748	0.417
chat	AIM or ICQ server		1362	0.325
microsoft-ds	Dionaea honeypot smbd		838	0.2
http	SonicWALL		692	0.165
http	AIM	1.0	325	0.078
netbios-ssn	Konica Minolta bixhub 350 printer smbd		186	0.044
http	Apache	2.2.3	184	0.044
routersetup	Nortel/D-Link router instant setup		111	0.027
http	lighttpd	1.4.29	93	0.022
microsoft-ds	Xerox WorkCentre 5225 printer microsoft-ds		78	0.019
ssh			65	0.016
http	GoAhead-Webs httpd		63	0.015
http	Microsoft HTTPAPI httpd	2.0	53	0.013
http	Apache	2.2.14	48	0.011
http	Apache	2.2.9	45	0.011
ssh	OpenSSH	5.6	44	0.011
microsoft-ds	Xerox printer microsoft-ds		43	0.01
http	Microsoft IIS httpd		41	0.01
http	Apache	2.2.16	39	0.009
ssl	TLS	1.0	36	0.009
telnet			35	0.008
http	thttpd	2.24	35	0.008
http	Apache	1.3.27	35	0.008
http	Microsoft IIS httpd	6.0	34	0.008
http	Netwave IP camera http config		30	0.007
http	Apache Tomcat/Coyote JSP engine	1.1	30	0.007
http	Apache	1.3.33	30	0.007
vnc	VNC		25	0.006
http	nginx		25	0.006
http	Apache	2.2.22	25	0.006
http	Avtech AVN801 network camera	1.0	24	0.006
ssl	Microsoft IIS SSL		23	0.005
http	GoAhead-Webs		23	0.005
arcserve	ARCserve Discovery		22	0.005
socks5			21	0.005
http	Apache	1.3.29	21	0.005
http	thttpd	2.24 26oct2003	20	0.005
netbios-ssn	Network Appliance Ontap smbd		18	0.004
http	Apache	2.2.15	18	0.004
http	Apache	2.0.52	18	0.004
ssh	OpenSSH	5.2	17	0.004
xml			16	0.004
http	Boa HTTPd	0.94.14rc21	16	0.004
http	Apache	2.2.8	16	0.004
http	Apache	1.3.37	16	0.004