Overview of services running on Port 280 TCP.
~110 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
http	Virata-EmWeb	6.2.1	34827	31.626
http	HP-ChaiSOE	1.0	25419	23.082
http	HP JetDirect printer webadmin		8485	7.705
http	HP Jetdirect httpd		7874	7.15
http	Foundry Networks		4539	4.122
http	Allegro RomPager	4.61	3508	3.186
http	SonicWALL		3482	3.162
http	Virata-EmWeb	6.0.1	3423	3.108
http			3232	2.935
http	Foundry Networks	2.20	3019	2.741
chat	AIM or ICQ server		1558	1.415
http	Agranat-EmWeb	5.2.6	1214	1.102
http	Allegro RomPager	4.31	987	0.896
no match	-/-	-/-	821	0.746
http	Apache		712	0.647
http	AIM	1.0	653	0.593
http	MikroTik router http config		386	0.351
http	lighttpd	1.4.29	378	0.343
http	lighttpd	1.4.19	367	0.333
http	Apache Tomcat/Coyote JSP engine	1.1	279	0.253
http	Rapid Logic	1.1	252	0.229
http	MikroTik router config httpd		206	0.187
upnp	Conexant-EmWeb	6.1.0	199	0.181
http	Agranat-EmWeb	5.2.0	177	0.161
http	Microsoft IIS httpd	6.0	168	0.153
http	Unknown	0.0 UPnP	157	0.143
http	SNMP Research DR-Web http config	1.25.4.1	142	0.129
http	HP switch EHTTP admin server	1.1	131	0.119
http	GoAhead-Webs embedded httpd		121	0.11
http	DrcomServer1.0		117	0.106
http	Netwave IP camera http config		96	0.087
http	HTTP	1.0	93	0.084
ssh			87	0.079
http	HttpFileServer httpd	2.2f	86	0.078
http	eHTTP	1.1	84	0.076
http	GoAhead-Webs		83	0.075
upnp	Virata-EmWeb	6.1.0	82	0.074
http	HP-ChaiServer	3.0	82	0.074
http	Avtech AVN801 network camera	1.0	81	0.074
http	thttpd	2.24 26oct2003	67	0.061
http	Microsoft IIS httpd	7.5	63	0.057
http	HttpFileServer httpd	2.3 beta	59	0.054
http	EHTTP	1.1	58	0.053
http	RapidLogic httpd	1.1	55	0.05
http	PDR-M800	1.0	55	0.05
http	Apache	2.2.14	55	0.05
telnet			50	0.045
http	Apache	2.2.3	49	0.044
http	Apache	2.2.16	41	0.037
vnc	VNC		37	0.034
http	HP_Compact_Server		36	0.033
http	mini_httpd	1.19 19dec2003	35	0.032
http	Microsoft IIS httpd	7.0	34	0.031
http	Allegro RomPager	4.20	34	0.031
http	Draytek Vigor ADSL router webadmin		33	0.03
http	Boa HTTPd	0.94.14rc21	33	0.03
http	Apache	2.2.22	31	0.028
http	Apache	2.2.15	30	0.027
http	Gadspot/Avtech AV787 webcam http config		29	0.026
http	thttpd	2.25b 29dec2003	27	0.025
http	Apache	2.2.9	27	0.025
http	Microsoft IIS httpd		26	0.024
http	Apache	1.3.28	26	0.024
http	TwistedWeb httpd	8.2.0	25	0.023
http	thttpd		23	0.021
http	Hikvision-Webs		23	0.021
http	Mbedthis-Appweb	2.0.4	22	0.02
http	HP-ChaiServer	2.2	22	0.02
http	EHTTP	EHTTP	21	0.019
http	Apache	2.2.17	21	0.019
http	GoAhead-Webs httpd		20	0.018
http	GeoVision GeoHttpServer for webcams		18	0.016
http	Cross Web Server		18	0.016
http	Apache	2.0.53	18	0.016
http	uc-httpd	1.0.0	17	0.015
http	Microsoft IIS httpd	5.1	17	0.015
ftp	Microsoft ftpd		17	0.015
http	Apache	2.2.8	16	0.015
ftp			16	0.015
wyse-devmgr	Wyse Device Manager		15	0.014