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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. 420,699 companies hold a domain IP Company names them by.

Largest companies

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

top 200 of 420,699
COMPANYDOMAINTYPEREGISTEREDIPV4ASES
United States Department of Defense (DoD)mail.milGovernmentUnited States213,351,6801,008
Amazon.com, Inc.amazon.comHostingUnited States178,441,95825
AT&T Enterprises, LLCatt.comISPUnited States108,838,364212
CHINANET Guangdong province networkchinatelecom.com.cnISPChina101,692,3452
Verizon Businessverizon.comISPUnited States90,509,180247
Microsoft Corporationmicrosoft.comHostingUnited States86,462,29971
Comcast Cable Communications, LLCcomcast.comISPUnited States68,615,43158
China Unicom Shandong province networkchinaunicom.cnISPChina67,394,17128
Headquarters, USAISCarmy.milGovernmentUnited States54,682,8787
Charter Communications Inccharter.comISPUnited States53,972,217167
Level 3 Parent, LLClumen.comISPUnited States47,444,3775
Korea Telecomkt.comISPSouth Korea47,361,21014
China Mobile Communications Corporationchinamobile.comISPChina44,937,68040
Japan Nation-wide Network of Softbank Corp.softbank.jpISPJapan39,995,6873
Orange S.A.orange.comBusinessBelgium32,382,59481
Deutsche Telekom AGtelekom.comISPGermany28,234,9305
Google LLCgoogle.comHostingUnited States25,390,40344
China Telecomchinatelecom.cnISPChina24,045,937375
TELEFÔNICA BRASIL S.Atelefonica.com.brISPBrazil21,566,7019
Open Computer Networkocn.ne.jpISPJapan21,289,2160
Cogent Communications, LLCcogentco.comISPUnited States21,206,49489
IBMibm.comHostingUnited States19,557,37953
Apple Inc.apple.comBusinessUnited States18,158,8666
Telecom Italia S.p.A.telecomitalia.itISPItaly17,806,7228
China Education and Research Networkcernet.edu.cnEducationChina17,091,30763
Ford Motor Companyford.comBusinessUnited States17,078,8726
KDDI CORPORATIONkddi.comISPJapan16,950,1504
Mercedes-Benz Group AGmercedes-benz.comISPGermany16,832,7293
SK Broadband Co Ltdskbroadband.comISPSouth Korea16,800,46123
UK Ministry of Defencemod.gov.ukGovernmentUnited Kingdom16,780,8001
T-Mobile USA, Inc.t-mobile.comISPUnited States15,713,16212
Uninet S.A. de C.V.uninet.com.mxISPMexico15,524,1418
Air Force Systems Networkingaf.milGovernmentUnited States15,422,2083
Aliyun Computing Co.LTDaliyun.comHostingChina15,339,7760
China TieTong Telecommunications Corporationchinatietong.comISPChina14,911,0781
Societe Francaise Du Radiotelephone - SFR SAalticefrance.comISPFrance13,635,0921
Akamai Technologies, Inc.akamai.comHostingUnited States13,379,96046
Telstra Limitedtelstra.com.auISPAustralia13,312,9614
Amateur Radio Digital Communicationsardc.netEducationUnited States12,581,1201
Cox Communications Inc.cox.comISPUnited States12,400,15912
Bharti Airtel Limitedairtel.comISPIndia12,376,66022
Claro NXT Telecomunicacoes Ltdaclaro.com.brISPBrazil12,024,7484
LG POWERCOMMlguplus.co.krISPSouth Korea11,925,5832
Data Communication Business Grouphinet.netISPTaiwan11,821,2703
Oracle Corporationoracle.comHostingSweden11,490,74357
A100 ROW Incaws.comHostingGermany11,196,9281
Tencent Cloud Computing (Beijing) Co., Ltdtencent.comHostingChina10,881,6937
British Telecommunications Limitedbt.netISPUnited Kingdom10,706,2526
TELEFONICA DE ESPANA S.A.U.telefonica.esISPSpain10,443,0422
Verizon Businessfrontier.comISPUnited States10,129,6912
TIM S/Atim.com.brISPBrazil9,337,5971
LG DACOM Corporationlguplus.comISPSouth Korea8,643,9311
Free SASproxad.netISPFrance8,612,7253
Maroc Telecomiam.maISPMorocco8,372,1433
Telefonica Germany GmbH & Co.OHGtelefonica.deISPGermany8,296,5382
Vodafone GmbHvodafone.deISPGermany8,237,0451
Navy Network Information Center (NNIC)navy.milGovernmentUnited States8,105,2804
Bank of America, National Associationbankofamerica.comBusinessUnited States8,050,23216
Virgin Media Limitedvirginmedia.comISPUnited Kingdom7,933,6621
PJSC Rostelecomrt.ruISPRussia7,573,899120
Telecom Egyptte.egISPEgypt7,546,7982
Turk Telekomunikasyon Anonim Sirketiturktelekom.com.trISPTurkey7,500,1914
Vietnam Posts and Telecommunications Groupvnpt.vnISPVietnam7,438,3995
HP Inc.hp.comISPUnited States7,278,14164
COMUNICACIÓN CELULAR S.A. COMCEL S.A.claro.com.coISPColombia7,270,1825
SK Telecomsktelecom.comISPSouth Korea7,129,0671
Bouygues Telecom SAbouyguestelecom.frISPFrance7,109,5323
Windstream Communications LLCuniti.comISPUnited States7,062,85010
Bell Canadabell.caISPCanada7,036,81020
The Prudential Insurance Company of Americaprudential.comBusinessUnited States6,887,9961
KPN B.V.kpn.comISPThe Netherlands6,796,44320
WIND TRE S.P.A.windtre.itISPItaly6,777,8161
JCOM Co., Ltd.jcom.co.jpISPJapan6,674,30710
CenturyLink Communications, LLCcenturylink.comISPUnited States6,657,548102
Sky UK Limitedsky.comISPUnited Kingdom6,629,4201
Eli Lilly and Companylilly.comBusinessUnited States6,625,4201
NTT DOCOMO BUSINESS,Inc.ntt.comISPJapan6,379,09722
JPMorgan Chase & Co.jpmorganchase.comBusinessUnited States6,277,8841
Telecom Argentina S.A.telecom.com.arISPArgentina6,066,9851
Tele2 Sverige ABtele2.comISPSweden6,047,7389
Telia Company ABtelia.seISPSweden5,985,4791
HEWLETT PACKARD ENTERPRISE COMPANYhpe.comBusinessUnited States5,971,29323
Saudi Telecom Company JSCstc.com.saISPSaudi Arabia5,904,0743
Viettel Groupviettel.com.vnISPVietnam5,636,4846
OPTUS INTERNET - RETAILoptus.net.auISPAustralia5,587,71822
Huawei Public Cloud Service (Huawei Software Technologies Ltd.Co)huaweicloud.comHostingChina5,570,3172
Fastweb SpAvodafone.itISPItaly5,541,9641
Rogers Communications Canada Inc.rogers.comISPCanada5,532,65122
Research Organization of Information and Systems, National Institute of Informaticssinet.ad.jpEducationJapan5,490,4322
Alibaba Cloud (Singapore) Private Limitedalibabagroup.comHostingUnited States5,422,5962
ETISALAT MISRetisalat.com.egISPEgypt5,343,2321
Shaw Communicationsshaw.caISPCanada5,269,6251
Japan nation-wide Network of SOFTBANK Corp.softbank.co.jpISPJapan5,252,3524
Telekom Deutschland GmbHtelekom.deISPGermany4,959,82013
NTT America, Inc.ntt.netISPUnited States4,907,69630
Vodafone Datavodafone.comISPEgypt4,836,63626
Orange Polska Spolka Akcyjnaorange.plISPPoland4,825,9473
TDC Holding A/Stdcgroup.comISPDenmark4,768,1511
ARTERIA Networks Corporationarteria-net.comISPJapan4,741,9672
V talvtal.comISPBrazil4,733,6154
TELUS Communications Inc.telus.comISPCanada4,727,66515
Telefonica de Argentinamovistar.com.arISPArgentina4,599,4773
SITA Switzerland Sarlsita.aeroBusinessSwitzerland4,589,3487
Shared Services Canadacanada.caGovernmentCanada4,380,0402
Orange Espagne SAorange.esISPSpain4,352,4141
MTN SAmtn.comISPSouth Africa4,347,65615
Telecom Algeriaalgerietelecom.dzISPAlgeria4,287,8692
PT.TELKOMSEL Indonesiatelkomsel.co.idBusinessIndonesia4,212,7360
China eGovNet Information Centercei.gov.cnGovernmentChina4,198,4001
Reliance Jio Infocomm Limitedjio.comISPIndia4,197,9962
IPXO LLCipxo.comBusinessUnited States4,160,4721
The Procter and Gamble Companypg.comBusinessUnited States4,106,0721
CLARO S.A.embratel.com.brISPBrazil4,084,0821
VODAFONE ESPANA S.A.U.vodafone.esISPSpain4,083,3175
Optimum Onlineoptimum.netISPUnited States4,070,2051
OVH SASovhcloud.comHostingFrance4,042,9431
Vodafone Libertel B.V.vodafone.nlISPThe Netherlands4,024,5741
TalkTalk Communications Limitedpxc.co.ukISPUnited Kingdom4,017,14510
National Aeronautics and Space Administrationnasa.govGovernmentUnited States3,856,68032
United States Department of Defense (DoD)health.milGovernmentUnited States3,827,4560
Sony Network Communications Inc.so-net.ne.jpISPJapan3,826,7131
TM TECHNOLOGY SERVICES SDN. BHD.tm.com.myISPMalaysia3,789,0285
Citigroup Inc.citi.comBusinessUnited States3,734,46238
Telenor Norge AStelenor.comISPNorway3,697,8991
BIGLOBE Inc.biglobe.co.jpISPJapan3,680,1912
Hetzner Online GmbHhetzner.comHostingGermany3,599,7944
DXC US Latin America Corporationdxc.comBusinessUnited States3,586,87243
SURF B.V.surf.nlISPThe Netherlands3,582,5241
NIB (National Internet Backbone)bsnl.co.inISPIndia3,582,2481
Lockheed Martin Corporationlm.comBusinessUnited States3,522,2790
GTT Americas, LLCgtt.netISPUnited States3,467,87655
Safaricom Limitedsafaricom.co.keISPKenya3,447,7882
Elisa Oyjelisa.fiISPFinland3,417,8246
COLOMBIA TELECOMUNICACIONES S.A. ESP BICmovistar.com.coISPColombia3,399,3081
CoreWeave, Inccoreweave.comHostingUnited States3,241,6942
Vodacom (Pty) Ltd.vodacom.co.zaISPSouth Africa3,226,4183
DigitalOcean, LLCdigitalocean.comHostingUnited States3,217,9096
EE Limitedee.co.ukISPUnited Kingdom3,179,9933
Vodafone Limitedvodafone.co.ukISPUnited Kingdom3,178,33515
USDAusda.govGovernmentUnited States3,160,4199
Xerox Corporationxerox.comBusinessUnited States3,152,8847
Beijing Volcano Engine Technology Co., Ltd.volcengine.comHostingChina3,146,7521
SamsungSDS Inc.samsungsds.comBusinessSouth Korea3,131,1601
Pakistan Telecommuication company limitedptcl.netISPPakistan3,094,5324
Far EasTone Telecommunication Co., Ltd.fetnet.netISPTaiwan3,090,1053
United States Postal Serviceusps.govGovernmentUnited States3,081,2281
NTT DOCOMO,INC.nttdocomo.co.jpISPJapan3,054,8001
Odido Netherlands B.V.odido.nlISPThe Netherlands2,984,7957
TATA Communications formerly VSNL is Leading ISPtatacommunications.comISPIndia2,947,04715
TELEFONICA VENEZOLANA, C.A.telefonica.comISPVenezuela2,942,41110
Fastweb SpAfastweb.itISPItaly2,918,7063
Dimension Datadimensiondata.comISPSouth Africa2,917,02613
Internet Initiative Japan Inc.iij.ad.jpISPJapan2,855,7134
CANTV Servicios, Venezuelacantv.com.veISPVenezuela2,855,1794
OPTAGE Inc.optage.co.jpISPJapan2,829,8412
Etihad Etisalat, a joint stock companymobily.com.saISPSaudi Arabia2,828,7714
Texas Department of Information Resourcestexas.govGovernmentUnited States2,824,1206
Merck and Co., Inc.merck.comBusinessUnited States2,819,8341
Level 3 Parent, LLClevel3.comISPUnited Kingdom2,802,05325
Rackdog, LLCrackdog.comHostingUnited States2,798,3407
Google Fiber Inc.gfiber.comISPUnited States2,753,3082
Cell C (Pty) Ltdcellc.co.zaISPSouth Africa2,752,5122
TELEFÓNICA CHILE S.A.movistar.clISPChile2,732,2114
Swisscom (Schweiz) AGswisscom.comISPSwitzerland2,727,8872
Philippine Long Distance Telephone Companypldt.comISPPhilippines2,702,8321
Siemens AGsiemens.comBusinessGermany2,702,61916
UBS Group AGubs.comBusinessSwitzerland2,662,8946
Alibaba Cloud (Singapore) Private Limitedalibaba-inc.comHostingSingapore2,651,2880
Mega Cable, S.A. de C.V.megacable.com.mxISPMexico2,612,9093
Optimumsuddenlink.comISPUnited States2,581,5871
Videotron Lteevideotron.comISPCanada2,580,0466
EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSCemirates.net.aeISPUnited Arab Emirates2,525,7748
Scaleway SASscaleway.comISPFrance2,523,9612
UNE EPM TELECOMUNICACIONES S.A.tigo.com.coISPColombia2,487,9128
A1 Telekom Austria AGa1.netISPAustria2,460,6381
Taiwan Fixed Network CO.,LTD.taiwanmobile.comISPTaiwan2,457,5389
Massachusetts Institute of Technologymit.eduEducationUnited States2,438,4725
OOREDOO TUNISIE SAooredoo.tnISPTunisia2,410,7411
MEDITELECOMorange.maISPMorocco2,406,5691
JSC "ER-Telecom Holding"ertelecom.ruISPRussia2,395,34737
Mobile Communication Company of Iran PLCmci.irISPIran2,364,9262
Iran Telecommunication Company PJStci.irISPIran2,350,6372
The Boeing Companyboeing.comBusinessUnited States2,335,4048
Telenor Sverige ABtelenor.seISPSweden2,333,1054
Ziggo Services B.V.ziggo.nlISPThe Netherlands2,282,6062
Telenet BVtelenet.beISPBelgium2,216,5361
CHT-Mobile business Group,Chunghwacht.com.twISPTaiwan2,205,0979
Ote SA (Hellenic Telecommunications Organisation)ote.grISPGreece2,167,9493
VOCUS PTY LTDvocus.com.auISPAustralia2,163,78413
Sudanese Mobile Telephone (ZAIN) Co Ltdzain.comISPKuwait2,146,9488
Television Internacional, S.A. de C.V.izzi.mxISPMexico2,146,7135
MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.meo.ptISPPortugal2,126,9333
Shell Information Technology International, Inc.shell.comBusinessUnited States2,102,1248
Telenor A/Stelenor.dkISPDenmark2,079,8162
PT Indosat Tbkioh.co.idISPIndonesia2,064,4662
Telia Finland Oyjtelia.fiISPFinland2,058,9684
California Department of Technologyca.govGovernmentUnited States2,051,24029
True Internet Corporation Co. Ltd.trueinternet.co.thISPThailand2,047,11615
iiNet Limitediinet.net.auISPAustralia2,040,6865
P4 Sp. z o.o.play.plISPPoland2,004,66311
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