Longest Match / Organisations

Directory

Organisations

Who address space is registered to, ranked by how much they hold. The 5,000 largest of 89,970 are listed; the search box covers all of them. IPv4 is counted in addresses and IPv6 in /64 networks, and the two are never added, because no unit makes them comparable. Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.

Organisations
89,970
Holding a /22 or any IPv6
46,606
IPv4 space named
52%
Registries covered
3 of 5

OrganisationIPv4 addressesIPv6 /64sBlocksRegistry
NOWO COMMUNICATIONS, S.A.222,2084,294,967,2967RIPE
Telecom Namibia222,2084,294,967,29633AFRINIC
Yahoo Inc.221,6968,590,000,12834APNIC
Internet Thailand Company Ltd.221,1844,294,967,2967APNIC
POST Luxembourg220,60868,719,411,20019RIPE
Digiweb ltd220,41655,834,574,84860RIPE
Amazon Data Services Ireland Ltd220,160549,755,813,8889RIPE
Public Telecommunication Corporation220,16034,359,738,36865RIPE
HKNet Co. Ltd.220,1604,294,967,29616APNIC
Jordan Data Communications Company LLC218,11234,359,738,36815RIPE
Zenlayer (Singapore) PTE. LTD.217,34438,654,705,66424RIPE
Open Fiber S.P.A.216,32034,359,738,368106RIPE
Etihad Salam Telecom CJSC215,8084,294,967,296523RIPE
Orange Burkina Faso212,9924,294,967,2964AFRINIC
TerraTransit AG210,196137,438,691,328363RIPE
Servers.com B.V.210,17634,359,738,36839RIPE
MAXNET TELECOM, LTD210,1764,294,967,29614RIPE
DKTV A/S209,92073,014,444,03213RIPE
SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF THE NATIONAL RESEARCH CENTRE "KURCHATOV INSTITUTE"209,88842,949,214,20820RIPE
Cyber Internet Services (Private) Limited209,152141,733,986,30440APNIC
LLC "KomTehCentr"209,1524,294,967,296244RIPE
MTN Syria208,8964,294,967,2968RIPE
Golden Telecom LLC208,696-824RIPE
BNP PARIBAS S.A.208,64038,654,771,20022RIPE
National Infrastructures for Research and Technology S.A.208,12834,359,803,90436RIPE
Xneelo (Pty) Ltd207,8724,294,967,29614AFRINIC
Sinal A/S207,61668,719,476,73620RIPE
GHOSTnet GmbH207,049210,453,397,5043,873RIPE
Fast Communication Company Ltd206,33738,654,705,6649RIPE
Karlsruhe Institute of Technology205,87234,376,909,05626RIPE
Cenitex205,824-19APNIC
NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.205,824-6APNIC
Parvaresh Dadeha Co. Private Joint Stock205,56038,654,705,66476RIPE
Digital Space Group Limited205,31285,899,018,24026RIPE
home.pl sp. z o.o.204,80034,359,738,3688RIPE
True Move H Universal Communication Co., Ltd.204,8004,294,967,2965APNIC
Vastra Gotalandsregionen204,288-10RIPE
CITEC202,7524,294,967,29612APNIC
KIFU (Governmental Info Tech Development Agency)202,2244,294,770,6875RIPE
The Chancellor Masters & Scholars Of The University Of Cambridge201,4724,296,015,87212RIPE
Ncell Pty. Ltd.200,7044,294,967,2966APNIC
Gamma Telecom Holdings Ltd200,44834,359,738,36813RIPE
Bank of America, N.A.199,6804,294,967,2968APNIC
POWER LINE (HK) CO., LIMITED199,6804,294,967,29677APNIC
Oracle America Inc.199,680-5RIPE
Datacamp Limited199,23238,654,705,66453RIPE
China Mobile Hong Kong Company Limited198,6564,294,967,29612APNIC
Fibercop S.p.A.198,40034,359,738,3686RIPE
Leibniz-Rechenzentrum198,40034,359,672,83212RIPE
RWTH Aachen University197,88834,359,738,3686RIPE
1&1 Telecom GmbH197,63234,359,738,36811RIPE
Etihad GO Company For communications197,63234,359,738,3686RIPE
Kuwait Telecommunications Company K.S.C.C.197,63234,359,738,3684RIPE
China Mobile International Limited197,6324,294,967,2965APNIC
TATA TELESERVICES LTD -- CDMA197,6324,294,967,2964APNIC
Communaute Universite Grenoble Alpes196,864-4RIPE
MongoDB Limited196,60834,359,738,3683RIPE
KBC GLOBAL SERVICES NV196,6084,294,967,2963RIPE
The Noor Group196,6084,294,967,2964AFRINIC
North West University196,608262,1443AFRINIC
University of the Free State196,608262,1443AFRINIC
Freie Universitaet Berlin196,608-3RIPE
Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE) EPA196,608-3RIPE
The Standard Bank of South Africa (Proprietary) Limited196,608-28AFRINIC
Universiteit Antwerpen196,608-3RIPE
University of New South Wales196,608-3APNIC
Woolworths Holdings Limited196,608-3AFRINIC
RCS Technologies FZE LLC194,56034,359,738,368140RIPE
UNIDATA S.p.A.193,53612,884,901,88837RIPE
G-Core Labs S.A.193,28812,884,901,888352RIPE
Oracle Corporation193,2804,294,967,29618APNIC
Tampere University Foundation192,512196,60828RIPE
NIXI191,232463,876,587,520726APNIC
INEA sp. z o.o.190,20847,244,640,25630RIPE
Asiatech Data Transmission company189,952377,957,122,04853RIPE
JSC "ER-Telecom Holding" Saint-Petersburg Branch189,95267,108,86464RIPE
LLC VK188,672103,079,215,10488RIPE
GO p.l.c.188,4168,589,934,59222RIPE
Outscale SASU187,39234,359,672,83212RIPE
Caucasus Online Ltd.187,1364,294,967,29619RIPE
OVH GmbH186,3513,486,4652,057RIPE
Istituto Nazionale di Fisica Nucleare INFN186,2801,835,008210RIPE
WorldStream B.V.185,856158,913,789,952115RIPE
TTSL-ISP DIVISION185,3444,294,967,29611APNIC
Triathlon Trading FZCO184,064-64RIPE
Cooolbox AD183,5444,294,967,29618RIPE
Singapore Telecom, ConnectPlus182,2724,294,967,29621APNIC
LYNTIA NETWORKS S.A.181,48868,719,476,73630RIPE
Movicel Telecomunicacoes S.A.180,2244,294,967,2966AFRINIC
Equinix (EMEA) Acquisition Enterprises B.V.180,15617,179,869,18444RIPE
RM Education Ltd179,9688,589,934,59244RIPE
Eurofiber Nederland BV179,896111,669,149,69636RIPE
CGI Sverige AB178,99212,885,032,96070RIPE
Wookra, LLC178,94434,359,738,36835RIPE
Bayer AG178,43234,359,738,36810RIPE
Orange Slovensko a.s.177,664-25RIPE
Upc Broadband Slovakia s.r.o.177,15234,359,738,3687RIPE
Ownit Broadband AB177,038589,8244,727RIPE
IUCC - Israel InterUniversity Computation Center176,8964,294,967,29618RIPE
Tata Teleservices (Maharashtra) Ltd176,6404,294,967,29613APNIC
Smart Broadband, Inc.176,38434,359,738,36810APNIC
Radboud Universiteit Nijmegen174,65665,53614RIPE
Elisa Eesti AS174,33638,654,771,20021RIPE
STC BAHRAIN B.S.C CLOSED174,08038,654,705,66414RIPE
Symphony Communication Public Company Limited174,0804,294,967,29611APNIC
UAB INIT173,82434,359,738,36828RIPE
TurkNet Iletisim Hizmetleri A.S.173,56834,359,672,83228RIPE
htp GmbH173,31234,359,738,3686RIPE
Toya sp.z.o.o173,05734,359,738,36815RIPE
BH Telecom d.d. Sarajevo173,0564,294,967,29616RIPE
SWITCH172,88034,342,240,25614RIPE
Telecom Armenia OJSC172,80034,359,738,3687RIPE
Community Fibre Limited172,54473,014,444,032107RIPE
HERO TELECOMS (PTY) LTD172,54434,359,738,368857AFRINIC
CAMTEL172,0324,294,967,29627AFRINIC
SEWAN SAS170,752141,733,920,76828RIPE
UAB "Cgates"170,49677,309,411,32831RIPE
Convergence Group (Wireless) Networks Limited169,25238,654,705,66414,604RIPE
Celeste SAS168,704330,712,481,79274RIPE
SalesForce.com, Inc.168,4488,589,934,59213APNIC
REUNICABLE SAS167,93638,654,705,6649RIPE
Marlink AS167,68073,014,444,03222RIPE
StarNet Solutii SRL167,424103,079,215,10416RIPE
GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Private Joint Stock)166,65634,359,738,3687RIPE
Die Schweizerische Post AG166,14434,359,738,3686RIPE
DSV A/S165,63268,719,476,73610RIPE
Global Network Management Inc165,37647,244,378,11236RIPE
PACIFIC INTERNET (S) PTE. LTD.165,37612,884,901,888246APNIC
Office of Info.Tech. Admin. for Educational Development165,3764,294,967,2966APNIC
Wananchi Group (Kenya) Limited164,8644,294,967,29613AFRINIC
Bleu SAS164,3524,294,967,2965RIPE
Ghana Telecommunications Company Limited163,8404,294,967,2969AFRINIC
SKYLINE NETWORKS COMPANY LIMITED163,840-3APNIC
NTE TELEKOM AS163,58438,654,705,66415RIPE
Exo Broadband163,584-69RIPE
Three Ireland (Hutchison) limited163,2408,589,934,59213RIPE
Quickline AG162,81634,359,738,36824RIPE
Vancis IP B.V.162,56055,834,640,38431RIPE
Telia Cygate Oy161,79268,719,607,80827RIPE
Glide Student & Residential Limited161,024103,079,215,10457RIPE
Arelion Sweden AB159,64473,009,135,16412RIPE
Sentia Denmark A/S159,48694,489,214,97159RIPE
M247 Europe SRL159,109240,506,503,168477RIPE
EUROCONTROL, the European Organisation for the Safety of Air Navigation158,46438,654,705,66411RIPE
Iskratelecom JSC158,4648,589,934,59225RIPE
velia.net Internetdienste GmbH158,00834,359,664,951442RIPE
MIC TANZANIA LTD157,69612,884,901,88829AFRINIC
Delta Telecom Ltd157,6964,294,967,29610RIPE
Metro Fibre Networx (Pty) Ltd157,6964,294,967,2966AFRINIC
Mobile Telecom-Service LLP157,44038,654,705,66437RIPE
Iway AG156,92877,309,411,32836RIPE
Strato GmbH156,71533,554,497,792116RIPE
SERVERS TECH FZCO156,672103,079,215,104499RIPE
LIWEST Kabelmedien GmbH156,6724,294,967,2967RIPE
Team Blue Carrier Limited156,16047,244,640,25640RIPE
Hoshin Multimedia Center Inc.155,6484,294,967,2963APNIC
Is Net Elektonik Bilgi Uretim Dagitim Ticaret ve Iletisim Hizmetleri A.S.155,6484,294,967,2966RIPE
WIIT AG155,448359,703,314,43178RIPE
Wireless Network154,624-42RIPE
Slovanet a.s.154,368180,388,626,43236RIPE
Hadara Technologies Private Shareholding Company153,34434,359,738,36826RIPE
FASTPLANET LTD152,83234,359,738,36820RIPE
ACONET152,12721,474,508,80022RIPE
Opnet Srl151,5524,294,967,29622RIPE
Virtual1 Limited151,5524,294,967,29612RIPE
baten-lastendienst Logius150,52846,907,392,00015RIPE
Linode, LLC150,52834,359,803,90427RIPE
Ucom CJSC149,76042,949,672,96025RIPE
Beget LLC149,76034,359,738,368117RIPE
LLC Digital Network149,6568,589,934,59235RIPE
Quality Net General Trading & Contracting Company148,4804,294,967,2969RIPE
University of Pretoria147,4561,048,5764AFRINIC
Fortum Oyj146,700-35RIPE
CETIN a.s.145,49638,654,705,66010RIPE
SWIFT NETWORKS LIMITED145,4084,294,967,2966AFRINIC
Solcon Internetdiensten B.V.144,38434,359,738,3689RIPE
Dialog Axiata Plc144,38412,884,901,88817APNIC
TELEKOM NETWORKS MALAWI LTD144,3848,589,934,5927AFRINIC
EntServ Deutschland GmbH144,3844,294,967,29613RIPE
Cybersmart143,61668,719,476,7366AFRINIC
Mila hf143,61668,719,476,73610RIPE
Rackspace.com Hong Kong Limited143,3608,589,934,5925APNIC
Telemach BH d.o.o. Sarajevo142,336274,877,906,94434RIPE
Sky Cable Corporation141,3128,589,934,59218APNIC
Hyperoptic Ltd141,3124,294,967,29624RIPE
Keyyo SA141,23285,899,345,92090RIPE
Company for communications services A1 Makedonija DOOEL Skopje141,05634,359,738,36831RIPE
Ecole Polytechnique Federale de Lausanne141,05665,5365RIPE
Societe Francaise du Radiotelephone S.A.141,056-5RIPE
Consortium GARR141,0084,288,544,76873RIPE
NorthC Deutschland GmbH140,54434,359,738,36813RIPE
NTT United Kingdom Ltd140,5444,294,967,29618RIPE
Sendinblue SAS140,28834,359,738,36812RIPE
SWN Stadtwerke Neumuenster GmbH140,28834,359,738,3685RIPE
University of Oxford139,77638,654,705,6646RIPE
National Australia Bank Limited139,776-4APNIC
1 GRID (PTY) LTD139,5204,294,967,2965AFRINIC
Verizon Sweden AB139,28034,359,738,3688RIPE
Verizon Ireland Limited139,26434,359,672,8324RIPE
CSL Computer Service Langenbach GmbH139,2644,294,967,2965RIPE
ING Bank N.V.139,00834,359,738,3689RIPE
Universite de Geneve139,008131,0727RIPE
Pishgaman Toseeh Ertebatat Company (Private Joint Stock)138,744279,172,874,24032RIPE
Gijima Holdings (PTY) Limited137,98465,53614AFRINIC
Nestle Operational Services Worldwide SA137,21634,359,738,36833RIPE
Department of Finance and Deregulation137,2164,294,967,2968APNIC
X-DSL Networking Solutions137,2164,294,967,2966AFRINIC
Neterra Ltd.136,526240,517,644,288293RIPE
Free Pro SAS136,328197,568,495,616108RIPE
Nippon Telegraph and Telephone Corporation136,1924,295,032,83212APNIC
Singapore Telecom Mobile Pte Ltd136,1924,294,967,2967APNIC
Academic Computer Centre CYFRONET AGH135,87234,359,607,2966RIPE
JAZZWORLD PAKISTAN LIMITED135,6808,589,934,59221APNIC
Adelaide University135,6804,294,967,29612APNIC
SKYLOGIC S.P.A.135,1688,589,934,59211RIPE
Politie Nederland135,1684,194,3044RIPE
ABN AMRO Bank N.V.134,65634,359,803,9048RIPE
Technische Universitat Wien134,4324,295,032,83213RIPE
thyssenkrupp Information Management GmbH134,40034,359,738,3686RIPE
firstcolo GmbH134,144103,079,215,10416RIPE
Fastly, Inc.134,14434,360,000,51217RIPE
Queen Mary University of London134,14434,359,803,9047RIPE
Government of Tasmania134,1444,294,967,2968APNIC
Netflix Inc134,1444,294,967,2964RIPE
Tieto Oyj133,6324,294,967,2969RIPE
Joint Universities Computer Centre Limited133,3768,589,934,59213APNIC
Agder fylkeskommune133,37665,5365RIPE
UPM-Kymmene Oyj133,196-13RIPE
OVH Sp. z o. o.133,1322,124,5451,487RIPE
Robert Bosch Gesellschaft mit Beschraenkter Haftung133,12034,359,738,3687RIPE
Verizon Belgium Luxembourg NV133,12034,359,738,3685RIPE
Nexon Asia Pacific Pty Ltd133,12012,885,032,96060APNIC
Lloyds Banking Group PLC132,99234,359,738,3687RIPE
Institute for Research in Fundamental Sciences132,8644,295,229,4407RIPE
Technion - Technolog institute132,864-5RIPE
BASF Digital Solutions GmbH132,6084,294,967,2966RIPE
CTCSCI TECH LIMITED132,6084,294,967,29635APNIC
The Hebrew University of Jerusalem132,608-4RIPE
Rheinland-Pfaelzische Technische Universitaet Kaiserslautern-Landau132,3524,294,967,2964RIPE
Ministerie van Economische Zaken132,3521,048,57613RIPE
ALMA MATER STUDIORUM - Universita' di Bologna132,35265,5366RIPE
Australian National University132,352-7APNIC
University of Kwazulu-Natal132,352-7AFRINIC
ADISTA SAS132,175154,501,382,14281RIPE
Aztelekom LLC132,09668,719,476,73663RIPE
Cablenet Communication Systems plc132,09642,949,672,96033RIPE
IKT-KAPASITETER132,09634,359,738,3684RIPE
Jordanian mobile phone services Ltd132,09634,359,738,3688RIPE
Norsk Rikskringkasting AS132,09634,359,738,3683RIPE
Wifirst S.A.S.132,09634,359,738,3683RIPE