Companies

Who uses the internet's address space, company by company: each one's ranges, the networks it runs and routes through, and where its space is. 16,337 government companies hold a domain IP Company names them by.

Largest government companies

By the IPv4 each uses, its own and what its providers assign it.

top 200 of 16,337

COMPANY	DOMAIN	TYPE	REGISTERED	IPV4	ASES
United States Department of Defense (DoD)	mail.mil	Government	United States	213,351,424	1,008
Headquarters, USAISC	army.mil	Government	United States	54,682,878	7
UK Ministry of Defence	mod.gov.uk	Government	United Kingdom	16,780,800	1
Air Force Systems Networking	af.mil	Government	United States	15,422,208	3
Navy Network Information Center (NNIC)	navy.mil	Government	United States	8,105,280	4
Shared Services Canada	canada.ca	Government	Canada	4,380,040	2
China eGovNet Information Center	cei.gov.cn	Government	China	4,198,400	1
National Aeronautics and Space Administration	nasa.gov	Government	United States	3,856,680	32
United States Department of Defense (DoD)	health.mil	Government	United States	3,827,712	0
USDA	usda.gov	Government	United States	3,160,423	9
United States Postal Service	usps.gov	Government	United States	3,081,228	1
Texas Department of Information Resources	texas.gov	Government	United States	2,824,120	6
California Department of Technology	ca.gov	Government	United States	2,051,240	29
Department for Work and Pensions	dwp.gov.uk	Government	United Kingdom	1,440,768	2
MARINE CORPS CYBERSPACE OPERATIONS GROUP	usmc.mil	Government	United States	1,291,000	0
Instituto Costarricense de Electricidad y Telecom.	ice.go.cr	Government	Costa Rica	1,260,768	2
GONET	ontario.ca	Government	Canada	1,125,296	30
Province of British Columbia	gov.bc.ca	Government	Canada	988,944	1
US Courts	uscourts.gov	Government	United States	922,312	1
U.S. Department of Interior Bureau of Reclamation	doi.gov	Government	United States	873,488	3
Florida Department of Children and Families	fl.gov	Government	United States	818,732	1
U.S. Department of State	state.gov	Government	United States	800,176	6
U.S. Department of Veterans Affairs	va.gov	Government	United States	787,188	2
Illinois Century Network	illinois.gov	Government	United States	751,653	1
State of Washington	wa.gov	Government	United States	747,326	6
Iran Information Technology Company PJSC	ito.gov.ir	Government	Iran	745,540	2
CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP	cnt.gob.ec	Government	Ecuador	681,451	2
NHS England	nhs.net	Government	United Kingdom	680,908	3
Georgia Technology Authority	ga.gov	Government	United States	656,128	4
Internal Revenue Service	irs.gov	Government	United States	656,116	1
European Commission	europa.eu	Government	Luxembourg	623,128	0
Transport for NSW	nsw.gov.au	Government	United States	612,992	46
DIA	dia.mil	Government	United States	590,390	0
United States Department of Defense (DoD)	dla.mil	Government	United States	589,888	1
National Oceanic and Atmospheric Administration	noaa.gov	Government	United States	586,369	14
State of Tennessee	tn.gov	Government	United States	524,924	3
Government of Alberta	gov.ab.ca	Government	Canada	524,848	1
Michigan State Government	michigan.gov	Government	United States	509,240	1
New York State	state.ny.us	Government	United States	464,612	3
National Institutes of Health	nih.gov	Government	United States	463,872	8
United States Department of Defense (DoD)	disa.mil	Government	United States	440,352	0
United States Department of Defense (DoD)	hpc.mil	Government	United States	430,816	3
U.S. Department of Energy	doe.gov	Government	United States	421,944	9
Australian Department of Defence	defence.gov.au	Government	Australia	420,096	6
Gouvernement du Quebec (Government of Quebec)	gouv.qc.ca	Government	Canada	406,310	1
U. S. Department of Transportation	dot.gov	Government	United States	400,960	1
State of Utah	utah.gov	Government	United States	393,720	1
U.S. Dept. of Health and Human Services	hhs.gov	Government	United States	387,328	3
Government Service Network (GSN)	service.gov.tw	Government	Taiwan	372,736	0
Bundesministerium des Innern und fuer Heimat	bund.de	Government	Germany	351,584	6
Argonne National Laboratory	anl.gov	Government	United States	341,528	2
Sandia National Laboratories	sandia.gov	Government	United States	336,736	3
Los Alamos National Laboratory	lanl.gov	Government	United States	329,224	5
United States Department of Defense (DoD)	dcma.mil	Government	United States	327,680	0
NATIONAL INFORMATION RESOURCES SERVICE	korea.kr	Government	South Korea	301,568	5
Department of Administrative Services	ohio.gov	Government	United States	287,340	3
Fundación Centro Nacional de Innovación Tecnológica (CENIT)	cnti.gob.ve	Government	Venezuela	286,980	3
State of Louisiana Office of Technology Services	la.gov	Government	United States	273,231	4
Lawrence Livermore National Laboratory	llnl.gov	Government	United States	271,392	2
Region stockholm	regionstockholm.se	Government	Sweden	268,832	1
Department of National Defence	dnd.ca	Government	Canada	265,000	0
Environmental Protection Agency	epa.gov	Government	United States	263,120	2
Department of Home Affairs	homeaffairs.gov.au	Government	Australia	262,144	2
Andhra Pradesh State FiberNet Limited	ap.gov.in	Government	India	245,504	2
Commonwealth of Massachusetts	mass.gov	Government	United States	231,660	1
State of Minnesota	state.mn.us	Government	United States	230,976	1
Ministerie van Verkeer en Waterstaat/Rijkswaterstaat	rws.nl	Government	The Netherlands	230,408	1
Korea Internet Security Agency	nic.or.kr	Government	South Korea	230,144	4
ACT Government InTACT Group	act.gov.au	Government	Australia	228,608	2
State of Oregon	oregon.gov	Government	United States	220,092	3
CITEC	citec.com.au	Government	Australia	215,560	5
State of NC - State Telecommunications Services	nc.gov	Government	United States	215,072	1
Iowa Communications Network	iowa.gov	Government	United States	210,276	4
Cenitex	cenitex.vic.gov.au	Government	Australia	205,840	2
Vastra Gotalandsregionen	vgregion.se	Government	Sweden	205,592	1
State of Arizona	state.az.us	Government	United States	202,828	1
Commonwealth of PA - OA / Integrated Network Management Services	pa.gov	Government	United States	201,992	2
Swiss Federation represented by FOITT	admin.ch	Government	Switzerland	201,476	3
Alberta Health Services	ahs.ca	Government	Canada	199,544	3
U.S. House of Representatives	house.gov	Government	United States	198,248	1
State of WI Dept. of Administration	wisconsin.gov	Government	United States	197,752	2
County of Los Angeles	lacounty.gov	Government	United States	197,240	1
Central Intelligence Agency	ucia.gov	Government	United States	186,368	1
Federal Reserve Board	frb.gov	Government	United States	168,713	1
IBRD	worldbank.org	Government	United States	167,578	1
Commonwealth of Kentucky	state.ky.us	Government	United States	164,428	1
EUROCONTROL, the European Organisation for the Safety of Air Navigation	eurocontrol.int	Government	France	157,952	1
Government of Manitoba	gov.mb.ca	Government	Canada	157,712	0
U.S. Department of Labor - OASAM/DIRM	dol.gov	Government	United States	157,048	1
United States Department of the Treasury	treasury.gov	Government	United States	145,152	1
SERVICO FEDERAL DE PROCESSAMENTO DE DADOS - SERPRO	serpro.gov.br	Government	Brazil	142,906	1
Lawrence Berkeley National Laboratory	lbl.gov	Government	United States	142,856	2
Oak Ridge National Laboratory	ornl.gov	Government	United States	142,360	2
Federal Aviation Administration	faa.gov	Government	United States	140,552	2
OGERO	ogero.gov.lb	Government	Lebanon	140,288	2
DOJ-USMS	usdoj.gov	Government	United States	138,576	1
Department of Finance and Deregulation	finance.gov.au	Government	Australia	137,219	0
United States Department of Defense (DoD)	osd.mil	Government	United States	136,200	1
State of Alaska	state.ak.us	Government	United States	134,656	1
The Governor's Office of Information Technology	state.co.us	Government	United States	133,000	2
Ministerie van Economische Zaken	dictu.nl	Government	The Netherlands	132,600	1
Tuve-palvelut	tuve.fi	Government	Finland	132,352	1
NORTHERN TERRITORY OF AUSTRALIA	nt.gov.au	Government	Australia	131,872	3
National Institute of Information and Communications Technology	nict.go.jp	Government	Japan	131,400	1
Tennessee Valley Authority	tva.gov	Government	United States	131,384	1
Japan Atomic Energy Agency	jaea.go.jp	Government	Japan	131,360	1
City of Philadelphia	phila.gov	Government	United States	131,344	1
U.S. Bureau of Indian Affairs	bia.gov	Government	United States	131,328	1
Federal Deposit Insurance Corporation	fdic.gov	Government	United States	131,328	1
Bureau of Meteorology	bom.gov.au	Government	Australia	131,172	1
Swedish Tax Agency	skatteverket.se	Government	Sweden	131,112	1
National Institute of Standards and Technology	nist.gov	Government	United States	131,088	1
Toronto Police Service	tps.ca	Government	Canada	131,073	0
DEPARTAMENTO DE CIÊNCIA E TECNOLOGIA AEROESPACIAL	cta.br	Government	Brazil	131,072	1
Department of Climate Change Energy the Environment and Water	dcceew.gov.au	Government	Australia	131,072	1
IKT-KAPASITETER	fma.no	Government	Norway	131,072	0
Etat de Fribourg	fr.ch	Government	Switzerland	131,072	1
Georgia Public Library Service	georgialibraries.org	Government	United States	131,072	0
Idaho National Laboratory	inl.gov	Government	United States	131,072	2
City of Montreal	montreal.ca	Government	Canada	131,072	2
Department of the Prime Minister and Cabinet	pmc.gov.au	Government	Australia	131,072	1
Vermont Agency of Digital Services	vermont.gov	Government	United States	131,072	1
National Wetlands Research Center, United States Geological Survey	usgs.gov	Government	United States	130,064	2
Japan Aerospace Exploration Agency	jaxa.jp	Government	Japan	123,160	2
Christchurch City Council	ccc.govt.nz	Government	New Zealand	114,688	0
Florida Department of Law Enforcement	state.fl.us	Government	United States	109,050	1
State of South Carolina	sc.gov	Government	United States	99,500	2
NJOIT	nj.gov	Government	United States	98,328	1
Los Angeles Sheriff's Department	lasd.org	Government	United States	98,304	1
EMPRESAS MUNICIPALES DE CALI E.I.C.E. E.S.P.	emcali.com.co	Government	Colombia	93,240	1
Servei Catala de la Salut	gencat.cat	Government	Spain	92,160	3
Health New Zealand	southerndhb.govt.nz	Government	New Zealand	89,344	2
General Services Administration	gsa.gov	Government	United States	84,470	4
DEPARTMENT OF HOMELAND SECURITY	dhs.gov	Government	United States	84,260	6
FMV	fmv.se	Government	Sweden	82,176	0
City of Baltimore	prattlibrary.org	Government	United States	82,176	1
New York State Energy Research and Development Authority	ny.gov	Government	United States	80,962	12
South Dakota State Government	state.sd.us	Government	United States	79,336	2
HARINGEY	haringey.gov.uk	Government	United Kingdom	78,555	0
European Space Agency (ESA)	esa.int	Government		77,988	2
U.S. Center For Disease Control and Prevention	cdc.gov	Government	United States	77,960	1
Welsh Government	gov.wales	Government	United Kingdom	76,800	1
Red Cientifica y Tecnologica Nacional	secyt.gov.ar	Government	Argentina	76,544	1
U.S. Department of Commerce, HQ and ITA	doc.gov	Government	United States	75,464	2
Regione Toscana	regione.toscana.it	Government	Italy	74,460	1
Swedish Armed Forces	mil.se	Government	Sweden	74,336	1
Department of Employment and Workplace Relations	dewr.gov.au	Government	Australia	74,240	2
Social Security Administration	ssa.gov	Government	United States	74,034	1
City of San Diego	sandiego.gov	Government	United States	73,540	1
Gemeente Delft	breedbanddelft.nl	Government	The Netherlands	72,495	1
Brookhaven National Laboratory	bnl.gov	Government	United States	71,744	2
NATO-HQ	nato.int	Government	The Netherlands	71,696	4
Department of Human Services	humanservices.gov.au	Government	Australia	71,680	4
United Nations	un.org	Government	United States	71,434	1
Federal Emergency Management Agency	fema.gov	Government	United States	71,080	2
UNICEF	unicef.org	Government	United States	70,963	4
CSI Piemonte	csipiemonte.it	Government	Italy	70,912	1
Magistrat der Stadt Wien, Magistratsabteilung 01	wien.gv.at	Government	Austria	70,820	3
The County of Erie	erie.gov	Government	United States	70,800	1
Battelle Memorial Institute, Pacific Northwest Division	pnnl.gov	Government	United States	70,672	0
City of Toronto	toronto.ca	Government	Canada	70,524	1
Forsakringskassan	fk.se	Government	Sweden	70,472	1
Port Authority of New York and New Jersey	panynj.gov	Government	United States	69,928	1
SSC-ICT Haaglanden	rijksoverheid.nl	Government	The Netherlands	69,648	1
Japan Agency for Local Authority Information Systems	j-lis.go.jp	Government	Japan	69,640	1
Etat de Geneve	ge.ch	Government	Switzerland	69,634	1
Fairfax County Government	fairfax.va.us	Government	United States	69,632	1
United States Antarctic Program	usap.gov	Government	United States	69,632	1
RADIOGRAFICA COSTARRICENSE	racsa.go.cr	Government	Costa Rica	69,472	1
Defence Science and Technology Laboratory	dstl.gov.uk	Government	United Kingdom	69,376	1
City of San Jose	sanjoseca.gov	Government	United States	69,248	1
FBI Criminal Justice Information Services	leo.gov	Government	United States	68,752	1
Indian Health Service	ihs.gov	Government	United States	68,640	1
DARPA ISTO	darpa.mil	Government	United States	68,632	0
World Health Organization (WHO)	who.int	Government	Switzerland	68,492	2
Tasmanian Government	dpac.tas.gov.au	Government	Australia	68,352	0
Fermi National Accelerator Laboratory (Fermilab)	fnal.gov	Government	United States	68,352	1
U.S. Small Business Administration	sba.gov	Government	United States	68,204	1
FRIT	frb.org	Government	United States	68,157	2
City of Albuquerque	cabq.gov	Government	United States	68,096	1
Direction generale du numerique et des systemes d'information (DGNSI) Etat de Vaud	vd.ch	Government	Switzerland	68,096	1
State of Connecticut	ct.gov	Government	United States	67,892	2
Australian Criminal Intelligence Commission	acic.gov.au	Government	Australia	67,844	2
Ministry of Health NZ	health.govt.nz	Government	New Zealand	67,840	0
Department of Transport	transport.wa.gov.au	Government	Australia	67,840	0
United Nations Development Programme	undp.org	Government	Argentina	67,664	3
City of Indianapolis	indy.gov	Government	United States	67,632	2
City of Jacksonville, Florida	coj.net	Government	United States	67,584	1
Skane Lans Landsting	skane.se	Government	Sweden	67,400	1
Lantmateriet	lantmateriet.se	Government	Sweden	67,360	1
State of Rhode Island	ri.gov	Government	United States	67,356	1
Minneapolis Management Information Services	minneapolismn.gov	Government	United States	67,344	0
Polismyndigheten	polisen.se	Government	Sweden	67,148	1
Bonneville Power Administration	bpa.gov	Government	United States	67,100	2
Geospatial Information Authority of Japan, Ministry of Land, Infrastructure, Transport and Tourism	mlit.go.jp	Government	Japan	67,096	1
SECRETARIA DE CIENCIA, HUMANIDADES, TECNOLOGIA E INNOVACION	conacyt.mx	Government	Mexico	67,072	1
King County Gov	kingcounty.gov	Government	United States	66,944	2
Bureau of Land Management	blm.gov	Government	United States	66,928	1
Federal Communications Commission	fcc.gov	Government	United States	66,896	0
Dataport AoR	dataport.de	Government	Germany	66,840	1

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