Longest Match / Organisations

Directory

Organisations

Who address space is registered to, ranked by how much they hold. The 5,000 largest of 89,919 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. Holders come from the bulk whois RIPE, APNIC and AFRINIC publish, so North and South American holders are largely missing.

Organisations
89,919
Holding a /22 or any IPv6
46,365
IPv4 space named
52%
Registries covered
3 of 5

OrganisationIPv4 addressesIPv6 /64sBlocksRegistry
SKYLOGIC S.P.A.135,1688,589,934,59411RIPE
Politie Nederland135,1684,194,3054RIPE
ABN AMRO Bank N.V.134,65634,359,803,9068RIPE
Technische Universitat Wien134,4324,295,032,83413RIPE
thyssenkrupp Information Management GmbH134,40034,359,738,3696RIPE
Queen Mary University of London134,14434,359,803,9067RIPE
Government of Tasmania134,1444,294,967,2978APNIC
POWER LINE (HK) CO., LIMITED134,1444,294,967,29776APNIC
Tieto Oyj133,8884,294,967,2979RIPE
Joint Universities Computer Centre Limited133,3768,589,934,59313APNIC
Agder fylkeskommune133,37665,5375RIPE
UPM-Kymmene Oyj133,188-12RIPE
Robert Bosch Gesellschaft mit Beschraenkter Haftung133,12034,359,738,3697RIPE
Verizon Belgium Luxembourg NV133,12034,359,738,3695RIPE
Nexon Asia Pacific Pty Ltd133,12012,885,032,96560APNIC
Lloyds Banking Group PLC132,99234,359,738,3697RIPE
Institute for Research in Fundamental Sciences132,8644,295,229,4427RIPE
Technion - Technolog institute132,864-5RIPE
BELNET132,60834,359,869,4437RIPE
BASF Digital Solutions GmbH132,6084,294,967,2976RIPE
CTCSCI TECH LIMITED132,6084,294,967,29735APNIC
Orion Telekom Tim d.o.o.Beograd132,6084,294,967,29740RIPE
ALMA MATER STUDIORUM - Universita' di Bologna132,60865,5376RIPE
The Hebrew University of Jerusalem132,608-4RIPE
Rheinland-Pfaelzische Technische Universitaet Kaiserslautern-Landau132,3524,294,967,2974RIPE
Ministerie van Economische Zaken132,3521,048,57713RIPE
Australian National University132,352-7APNIC
University of Kwazulu-Natal132,352-7AFRINIC
Aztelekom LLC132,09668,719,476,73863RIPE
Cablenet Communication Systems plc132,09642,949,672,96333RIPE
IKT-KAPASITETER132,09634,359,738,3694RIPE
Jordanian mobile phone services Ltd132,09634,359,738,3698RIPE
Norsk Rikskringkasting AS132,09634,359,738,3693RIPE
Wifirst S.A.S.132,09634,359,738,3693RIPE
Globaldata Investments INC132,0964,294,967,2975APNIC
OGERO132,0964,294,967,2975RIPE
OOO FREEnet Group132,0964,294,967,29710RIPE
Transport for NSW132,0964,294,967,2974APNIC
TATA CONSULTANCY SERVICES LIMITED132,096-3APNIC
Consorci de Serveis Universitaris de Catalunya131,8404,295,098,3717RIPE
Bond University Limited131,84065,5375APNIC
Universitaet Heidelberg131,84065,5375RIPE
Tel Aviv University131,840-4RIPE
Technische Universitaet Dresden131,58470,867,025,92410RIPE
GTT Communications France SAS131,5844,294,967,2978RIPE
Australian Broadcasting Corporation131,584-4APNIC
TNO131,584-4RIPE
Societe nationale SNCF SA131,32834,359,738,3694RIPE
MTC - Mobile Telecommunications, Ltd.131,3284,294,967,2976AFRINIC
Equinor ASA131,32865,5374RIPE
Deutsches Elektronen-Synchrotron DESY131,328-3RIPE
F. Hoffmann-La Roche AG131,328-3RIPE
Kassenaerztliche Bundesvereinigung131,328-2RIPE
Nedbank Limited131,328-3AFRINIC
NORTHERN TERRITORY OF AUSTRALIA131,328-3APNIC
TKMS GmbH131,328-3RIPE
EDEKA Verwaltungs- und Beteiligungs GmbH131,07234,359,738,3692RIPE
NATIONWIDE BUILDING SOCIETY131,07234,359,738,3693RIPE
NetAssets Services - FZCO131,07234,359,738,36939RIPE
ONITELECOM - INFOCOMUNICACOES, S.A.131,07234,359,738,3697RIPE
Skatteetaten ORGL131,07234,359,738,3693RIPE
IBM Cloud International B.V.131,07217,179,869,18713APNIC
Department of Climate Change Energy the Environment and Water131,0728,589,934,5944APNIC
Axxess DSL (PTY) Ltd131,0724,294,967,2973AFRINIC
Bureau of Meteorology131,0724,294,967,2973APNIC
Deakin University131,0724,294,967,2973APNIC
Sudatel (Sudan Telecom Co. Ltd)131,0724,294,967,2977AFRINIC
Swedish Tax Agency131,0724,294,967,2973RIPE
UAB Nacionalinis Telekomunikaciju Tinklas131,0724,294,967,29758RIPE
Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET131,0724,294,967,2975RIPE
AB Sandvik131,072-2RIPE
AECI Information Services (Pty) Ltd131,072-1AFRINIC
Akershus Fylkeskommune131,072-2RIPE
Alfred-Wegener-Institut Helmholtz-Zentrum fuer Polar- und Meeresforschung131,072-2RIPE
ArcelorMittal South Africa Ltd131,072-2AFRINIC
ASSISTANCE PUBLIQUE HOPITAUX DE PARIS131,072-1RIPE
Bar Ilan University131,072-1RIPE
Ben Gurion University131,072-1RIPE
ComX Networks A/S131,072-3RIPE
DXC Technology Danmark A/S131,072-2RIPE
Endeavour Energy131,072-2APNIC
ENEL S.p.A131,072-2RIPE
Erasmus Universiteit Rotterdam131,072-2RIPE
Etat de Fribourg131,072-2RIPE
Haifa University131,072-1RIPE
Hogeschool van Amsterdam131,072-2RIPE
Istanbul Teknik Universitesi131,072-2RIPE
Loughborough University131,072-2RIPE
Microsoft (S.A.) (Proprietary) Limited131,072-2AFRINIC
Middle East Technical University131,072-2RIPE
Movitel, SA131,072-1AFRINIC
Ost Ostschweizer Fachochschule131,072-2RIPE
QANTAS Airways Limited131,072-2APNIC
Royal DSM NV131,072-2RIPE
Royal Melbourne Institute of Technology (RMIT University)131,072-2APNIC
Sasol South Africa (PTY) LTD131,072-2AFRINIC
Technische Universitaet Berlin131,072-2RIPE
Technische Universiteit Delft131,072-2RIPE
THE DEPARTMENT OF THE PRIME MINISTER AND CABINET131,072-2APNIC
Universidad Politecnica de Madrid131,072-2RIPE
Universitaet Duisburg-Essen131,072-2RIPE
Universitaet Wuerzburg131,072-2RIPE
UNIVERSITE COTE D'AZUR131,072-2RIPE
Universiteit van Amsterdam131,072-2RIPE
University of Aberdeen131,072-2RIPE
LeaderTelecom B.V.129,79234,359,738,36964RIPE
ORANGE MOLDOVA S.A.129,7924,294,967,29715RIPE
RapidSeedbox Ltd129,36810,960,756,539,7351,352RIPE
OVH Sp. z o. o.129,1082,122,0021,462RIPE
Andrews & Arnold Ltd128,51234,359,738,36910RIPE
Euronet Communications B.V.128,00042,949,672,9638RIPE
MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG128,0008,589,934,59414RIPE
Valor Information Technologies, S.L.127,48885,899,345,92684RIPE
Limited Liability Company "KYIVSKI TELEKOMUNIKATSIYNI MEREZHI"127,2328,589,934,59413RIPE
Primeworld Digital Systems, Inc.126,9764,294,967,2978APNIC
"Telekomunikacije Republike Srpske" akcionarsko drustvo Banja Luka125,95238,654,705,66613RIPE
Eviny Fiber AS125,18468,719,542,27513RIPE
Crnogorski Telekom a.d.Podgorica124,92834,359,738,36914RIPE
"Domain names registrar REG.RU", Ltd124,67217,179,869,188181RIPE
Telecommunication Company of Esfahan124,183-382RIPE
BEYON B.S.C.123,90434,359,738,3699RIPE
Dstny BE N.V.123,136201,863,462,92476RIPE
Enreach Netherlands B.V.122,880249,108,103,17760RIPE
UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED122,8808,590,065,66824APNIC
ORANGE BUSINESS SERVICES U.S. Inc.122,880-6RIPE
netplus.ch SA122,62442,949,672,96329RIPE
AFNIC (Association Francaise pour le Nommage Internet en Cooperation)122,624458,75823RIPE
OVH Ltd122,1612,387,4661,486RIPE
RSAWEB (PTY) LTD121,34468,719,476,73723AFRINIC
Yahoo Japan120,8324,295,032,8348APNIC
Flex Ltd.119,80834,359,738,36922RIPE
Glesys AB119,040115,964,116,99853RIPE
NETPLUZ HOLDINGS PRIVATE LIMITED118,5284,294,967,29720APNIC
Kauno Technologijos Universitetas118,27268,719,935,49730RIPE
JSC "ER-Telecom Holding" Nizhny Novgorod118,01667,109,12229RIPE
NordNet SA117,76068,719,476,73833RIPE
CD-Telematika a.s.117,7604,294,967,29743RIPE
Bunny Communications LLC117,760-431RIPE
SES ASTRA S.A.116,73673,014,444,03514RIPE
Nepal Telecommunications Corporation116,7364,294,967,2977APNIC
OVH Telecom116,48068,157,44221RIPE
JSC "ER-Telecom Holding" Yekaterinburg Branch116,48067,108,86582RIPE
Wired ISP Inc.115,968137,438,953,47650RIPE
RoSite Equipment SRL115,9684,294,967,29728RIPE
CANCOM Managed Services GmbH115,71238,654,705,66611RIPE
Fibercop S.p.A.115,71234,359,738,3694RIPE
Itility Limited115,71234,359,738,36912RIPE
ImproWare AG115,7124,294,967,2976RIPE
Vienna University115,2808,589,934,59333RIPE
University of Cape Town115,200524,2897AFRINIC
CEZNET s.r.o.115,104231,961,985,03748RIPE
Equinix (Finland) Oy114,9448,590,000,13113RIPE
Net Inc.114,68834,359,738,36913RIPE
Claranet Gmbh114,6884,294,967,29711RIPE
Ministry of Education - EMISC114,6884,294,967,2975APNIC
Research and Education Network for Uganda114,6884,294,967,2974AFRINIC
Sudanese Research and Education Network114,6884,294,967,2974AFRINIC
Christchurch City Council114,688-3APNIC
SC "Lithuanian Radio and TV Center"113,92034,359,738,369184RIPE
Iver Sverige AB113,716150,323,855,36753RIPE
Vorboss Limited113,664103,079,215,10752RIPE
Mada Al-Arab General Services Company112,89638,654,705,66642RIPE
DATACOM SYSTEMS (AU) PTY LTD112,8968,589,934,59410APNIC
Nationwide Computer Systems, Inc. trading as IPTrading.com112,896-13RIPE
SIA Maklaut112,384103,079,215,10740RIPE
xilo Ltd.112,12834,359,803,90616RIPE
TNG Stadtnetz GmbH111,872103,079,215,10717RIPE
TENET Scientific Production Enterprise LLC111,87234,359,738,36931RIPE
"BeST" CJSC111,61634,359,738,3698RIPE
Millenicom Telekomunikasyon Hizmetleri Anonim Sirketi111,6164,294,967,2977RIPE
Outremer Telecom SAS111,6164,294,967,29710RIPE
Macquarie Technology Operations Pty Limited110,8488,589,934,59418APNIC
Australian Private Networks Pty Ltd110,5924,294,967,2977APNIC
Computer Technology Institute and Press "Diophantus"110,592-3RIPE
MYNET S.R.L.109,312206,158,430,21464RIPE
Verizon Switzerland AG109,05668,719,476,73710RIPE
Lunarnaut, LLC109,056-89RIPE
Colocation America Corporation108,80034,359,738,36997RIPE
WWZ Telekom AG108,54468,719,476,73811RIPE
CESNET z.s.p.o.108,54434,359,738,369274RIPE
Mercury NZ Limited108,5448,590,000,13130APNIC
SpaceNet AG108,5448,590,000,13111RIPE
Fujitsu Services Ltd.108,0644,294,967,2978RIPE
Canal + Telecom SAS107,52034,359,738,3698RIPE
Netland ODO107,52034,359,738,36910RIPE
Orient Express LDI (Private) Limited107,2644,294,967,29728APNIC
Soroush Rasanheh Company Ltd107,2644,294,967,2977RIPE
Six Degrees Technology Group Limited107,008137,439,019,02047RIPE
Gigaclear Limited106,49673,014,444,03532RIPE
Federal State Budgetary Educational Institution of Higher Education Lomonosov Moscow State University106,49638,654,705,6668RIPE
Magnet Networks Limited106,49634,359,738,36916RIPE
RADIOKOMUNIKACE a.s.106,49634,359,738,3695RIPE
JSC "ER-Telecom Holding" Samara Branch105,984-49RIPE
Digit One LLC105,4724,294,967,29723RIPE
NTTCINS105,4724,294,967,29712APNIC
Universitetet i Oslo105,47216,777,2176RIPE
Binero AB104,864107,374,182,404259RIPE
MIFFLIN COUNTY WIRELESS LLC104,704-37RIPE
Parsun Network Solutions PTY LTD104,44868,719,476,73848RIPE
Viva Armenia CJSC104,4488,589,934,59415RIPE
Federal Institute of Technology Zurich (ETHZ)104,448196,6118RIPE
CINECA CONSORZIO INTERUNIVERSITARIO104,39234,359,869,44316RIPE
Init7 (Switzerland) Ltd.104,17673,880,895,5303,150RIPE
Hostopia Australia Web Pty Ltd103,93621,474,836,48542APNIC
JasTel Network Company Limited103,9368,589,934,59431APNIC
Darkness Reigns (Holding) B.V.103,68068,719,935,49737RIPE
Voyager Internet Ltd.103,16834,359,738,37633APNIC
Koehler Internet Services UG (haftungsbeschraenkt)103,16834,359,738,369119RIPE
EQUINIX (SERVICES) LIMITED102,91234,359,869,44318RIPE
IPX - FZCO102,4006,528,350,290,110327RIPE
SOFTNET d.o.o.102,400343,597,383,69034RIPE
Volkswagen AG102,40034,359,738,3694RIPE
Broadband Systems Corporation102,4004,294,967,2978AFRINIC
Cogent Communications Group LLC102,4004,294,967,29711RIPE
Routit BV102,4004,294,967,2979RIPE
Tarr Kft.102,1444,294,967,29760RIPE
United Information Highway Co.,Ltd.101,88812,884,967,42857APNIC
Equidity Technologies LLC101,888-398RIPE
MEGASVYAZ LLC101,63251,539,607,55412RIPE
Atos Information Technology GmbH101,3768,589,934,59416RIPE
TV CABO ANGOLA LDA101,3764,294,967,29752AFRINIC
Symbio Networks Pty Ltd101,1204,294,967,29713APNIC
King Abdul Aziz City for Science and Technology100,86434,359,869,4439RIPE
UNYC SAS100,608171,798,691,84550RIPE
NetCom BW GmbH100,60842,949,672,96350RIPE
RCN100,352-157RIPE
Servers Australia Pty. Ltd99,58425,769,803,78251APNIC
Fanava Group99,32838,654,705,6665RIPE
Intesa Sanpaolo S.p.A.99,32834,359,738,36916RIPE
Mod Mission Critical LLC99,32834,359,738,369430RIPE
noris network AG99,32834,359,738,36914RIPE
inexio Informationstechnologie und Telekommunikation Gmbh99,32812,884,901,891103RIPE
GTT Communications Belgium N.V.99,3284,294,967,29711RIPE
IPFFM - Internet Provider Frankfurt GmbH99,3284,294,967,29714RIPE
Nazwa.pl Sp.z.o.o.99,3284,294,967,2974RIPE
Netorn LLC99,3284,294,967,29714RIPE
Cyber_Folks S.A.98,816296,352,808,97456RIPE
Trooli Ltd.98,81668,719,476,73819RIPE
Santander Global Technology and Operations, S.L.98,81634,359,738,36927RIPE
TotalEnergies SE98,560-3RIPE
Vianova S.p.A98,304103,079,215,1071,463RIPE
Salt Mobile SA98,30434,359,738,3693RIPE
Zscaler Australia PTY LTD98,3044,294,967,2974APNIC
Scarlet Belgium NV98,304-6RIPE
Smile Communications Nigeria98,304-3AFRINIC
SIA "Singularity Telecom"97,4084,294,967,297273RIPE
xTom GmbH97,280760,209,342,489207RIPE
Lounea Palvelut Oy97,28038,654,705,66618RIPE
ENTEGA Medianet GmbH97,2804,294,967,29729RIPE
Anexia Cloud Solutions GmbH97,04051,539,607,55937RIPE