Longest Match / Organisations

Directory

Organisations

Who address space is registered to, ranked by how much they hold. The 5,000 largest of 89,873 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 ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.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
89,873
Holding a /22 or any IPv6
46,265
IPv4 space named
52%
Registries covered
3 of 5

OrganisationIPv4 addressesIPv6 /64sBlocksRegistry
JSC "ER-Telecom Holding" Yaroslavl' Branch46,848-22RIPE
Internet Vikings International AB46,784927,713,001,5001,905RIPE
team.blue Denmark A/S46,592150,323,855,11275RIPE
Global Communication Net Plc46,59234,359,738,36951RIPE
TrueSpeed Communications Limited46,59234,359,738,36948RIPE
UK Dedicated Servers Limited46,59234,359,738,36923RIPE
123 REG LIMITED46,496-28RIPE
Free Technologies Excom S.L.46,336322,122,547,21251RIPE
Pulsant Limited46,3364,294,967,2978RIPE
University of Helsinki46,336196,61128RIPE
Cobranet Limited46,08038,654,705,6667RIPE
"IST TELEKOM" JV LLC46,08038,654,705,66683RIPE
Enivest AS46,08034,359,738,36916RIPE
Monaco Telecom S.A.46,08034,359,738,3697RIPE
Pharoun LTD Co.46,08034,359,738,3698RIPE
The Internet Business Ltd46,0808,589,934,5947RIPE
DJIBOUTI TELECOM S.A.46,0804,294,967,2975AFRINIC
e.discom Telekommunikation GmbH46,0804,294,967,29713RIPE
Government Communications Network46,0804,294,967,2977APNIC
UAB Penki kontinentai46,0804,294,967,2977RIPE
Yahoo-UK Limited46,0804,294,967,2979RIPE
Enterprise Services France SAS45,824-7RIPE
TIMENET SPA45,56842,949,672,96326RIPE
Fiber Ltd45,56834,359,738,36936RIPE
BCS Group (BCSNet)45,5684,294,967,2977AFRINIC
Drustvo za telekomunikacije Orion telekom doo Beograd-Zemun45,5684,294,967,29712RIPE
Energie AG Oberoesterreich Services und Digital Solutions GmbH45,31238,654,705,66627RIPE
Flag Telecom UK Limited45,3124,294,967,2978RIPE
Telcom Networks Limited45,056103,079,215,10719RIPE
Octopusnet LTD45,05634,359,738,36912RIPE
WS Telecom Inc45,05634,359,738,36988RIPE
Node4 Limited45,05612,884,901,891226RIPE
Jusan Mobile JSC45,0568,589,934,59417RIPE
Internet Solution & Service Provider Co., Ltd.45,0564,294,967,2977APNIC
Netcom Africa Limited45,0564,294,967,2975AFRINIC
Swoop Telecommunications Pty Ltd45,0564,294,967,2977APNIC
TELEFONICA GLOBAL SOLUTIONS SL45,0564,294,967,29719RIPE
FINE GROUP SERVERS SOLUTIONS LLC45,056-181RIPE
Flux-Telecom45,056-6RIPE
GLOBAL CONNECTIVITY SOLUTIONS LLP45,0553,276,811240RIPE
Lir.bg EOOD44,8964,294,639,62241RIPE
JM-DATA GmbH44,86434,359,738,36919RIPE
Spintel Pty Ltd44,8004,294,967,29711APNIC
DFS Deutsche Flugsicherung GmbH44,80065,5375RIPE
Zayo Infrastructure France SA44,54468,719,476,73828RIPE
Blizzard Entertainment, Inc44,54438,654,705,66610RIPE
Miranda-Media Ltd44,54434,359,738,36941RIPE
LLC "ASTRA CLOUD"44,5448,589,934,59450RIPE
Netassist International EOOD44,41625,753,026,5636RIPE
Al mouakhah lil khadamat al logesteih wa al itisalat44,28834,359,738,3699RIPE
"Albanian Satellite Communications" sh.p.k.44,03234,359,738,3699RIPE
Norilsk-Telecom JSC44,03234,359,738,36933RIPE
MDCC Magdeburg-City-Com GmbH43,976-82RIPE
Serviciul de Telecomunicatii Speciale43,77634,359,738,36924RIPE
Aspire Technology Solutions Ltd43,7764,294,967,29714RIPE
JSC "ER-Telecom Holding" Chelyabinsk Branch43,776-19RIPE
Coriolis Telecom SAS43,52073,014,444,03535RIPE
SkyMesh Pty Ltd43,5208,589,934,59412APNIC
Cifrova Kabelna Korporacia EOOD43,5204,294,967,2977RIPE
Universita' degli Studi di Trieste43,48865,53711RIPE
Orion Telecom LLC43,26434,359,738,36935RIPE
iNES GROUP SRL43,2644,294,967,29715RIPE
Digital Realty (UK) Limited43,00834,359,738,3698RIPE
TEAM BLUE INTERNET SERVICES UK LIMITED43,00834,359,738,3698RIPE
Porion-Digital Kft.43,00830,031,216,64316RIPE
Zettagrid Pty Ltd43,00825,769,803,77927APNIC
Econet Telecom Lesotho (PTY) LTD43,0084,294,967,2975AFRINIC
Frogfoot Networks43,0084,294,967,297621AFRINIC
Mango Teleservices Limited43,0084,294,967,2975APNIC
Towngas Telecommunications Fixed Network Limited43,0084,294,967,2976APNIC
Capitalonline Data Service (HK) Co., Limited43,008-5APNIC
Fribourg Cloud43,008-166RIPE
Finanz Informatik GmbH & Co. KG42,75238,654,705,66610RIPE
Over the Wire Pty Ltd42,75221,474,902,02232APNIC
OOO Suntel42,4964,295,032,83329RIPE
Doruk Iletisim ve Otomasyon Sanayi ve Ticaret A.S.42,4964,294,967,2979RIPE
Fornex Hosting S.L.42,4964,294,967,29782RIPE
JSC KVANT-TELEKOM42,4964,294,967,29711RIPE
JSC Transtelecom42,4964,294,967,29725RIPE
IPPN HOLDINGS LTD42,496-60RIPE
DDFR IT Infra & Security B.V.42,24034,359,803,90616RIPE
Uplynk, Inc42,2404,294,967,29715RIPE
KPMG LLP42,24065,5376RIPE
Hosting technology LTD42,240-147RIPE
Closed Joint Stock Company Radiotelephone41,98438,654,705,66620RIPE
Convergenze S.p.A.41,98434,359,738,36931RIPE
Hughes Network Systems GmbH41,98434,359,738,3698RIPE
London Grid for Learning Trust41,98434,359,738,369172RIPE
OPC Networks Kft.41,98434,359,738,3694RIPE
Rockenstein AG41,98434,359,738,3698RIPE
SIPARTECH SAS41,98434,359,738,3698RIPE
Telekomi i Kosoves SH.A.41,98434,359,738,3694RIPE
TUSSA IKT AS41,98434,359,738,3699RIPE
Domain Five Enterprises Ltd41,9844,294,967,2976APNIC
SUPERMEDIA Sp.z.o.o.41,9844,294,967,2974RIPE
Telecommunication Company of Markazi41,540219RIPE
WEISS HOSTING GROUP S.R.L.41,472369,366,990,86181RIPE
IncoNet Data Management sal41,47238,654,705,66612RIPE
NEXLINX NETWORKS (PVT) LIMITED41,4724,294,967,2974APNIC
Rajamangala University of Technology Thanyaburi41,472-3APNIC
eNetworks cc41,21668,719,542,2747AFRINIC
Anycast Holdings Pty Ltd41,21634,359,869,45042APNIC
IP Multihome Limited41,21634,359,738,3695RIPE
Capita Business Services Ltd41,21612,884,901,89110RIPE
Easyhost BVBA41,2164,294,967,2978RIPE
JSC "ER-Telecom Holding" Cheboksary Branch41,216-19RIPE
JSC "ER-Telecom Holding" Kirov Branch41,216-13RIPE
GANDI SAS40,96034,359,738,36911RIPE
Verizon Denmark A/S40,96034,359,738,3695RIPE
VR-Group Ltd40,96034,359,738,3692RIPE
Singapore Telecommunications Ltd, Magix Services40,96017,179,869,1855APNIC
Alands Telekommunikation Ab40,9608,589,934,5948RIPE
Aljeel Aljadeed For Technology40,9604,294,967,29750AFRINIC
Cipherwave40,9604,294,967,2975AFRINIC
GVA Togo40,9604,294,967,2973AFRINIC
IP Exchange Pty Ltd40,9604,294,967,2976APNIC
KT RWANDA NETWORK Ltd40,9604,294,967,2973AFRINIC
Anexia Holding GmbH40,960-1RIPE
AXA Group Operations Switzerland AG40,960-2RIPE
sasag Kabelkommunikation AG40,960-7RIPE
University of Turku40,960-1RIPE
Visafone Communications Limited40,960-2AFRINIC
IROKO Networks Corporation40,9574,294,967,29773RIPE
Orange Business Digital Germany GmbH40,86017,179,869,18826RIPE
SYN LTD40,704103,079,215,10721RIPE
GMO Internet, Inc.40,7044,295,032,83412APNIC
Vaioni Group Ltd40,7044,294,967,29710RIPE
BINERO40,704-159RIPE
SIA Latnet40,700-1,306RIPE
Vivicta Sweden AB40,6324,294,901,76290RIPE
OVH Hispano40,57265,5391,022RIPE
SAKURA LINK LIMITED40,5124,311,810,0517APNIC
Sefroyek Pardaz Engineering PJSC40,448103,079,215,10747RIPE
WIA spol. s.r.o.40,44834,359,738,36950RIPE
Hochschule fuer oeffentliche Verwaltung und Finanzen Ludwigsburg40,448-1RIPE
JSC "ER-Telecom Holding" Ufa Branch40,448-18RIPE
Uppsala Student Network40,448-6RIPE
Universidade de Lisboa40,260393,22865RIPE
Pro-M Zrt.40,1924,294,967,29712RIPE
IP-Only Networks AS40,1608,589,934,59614RIPE
Plus.line AG40,14434,359,738,62811RIPE
Umniah Mobile Company PLC39,93638,654,705,6669RIPE
AI Jeraisy Electronic Services Company Ltd.39,93634,359,738,3694RIPE
U Mobile Sdn Bhd39,9368,589,934,5938APNIC
E2E Networks Limited39,9364,295,098,37117APNIC
NTT Global Data Centers EMEA UK Ltd.39,9364,295,032,8348RIPE
Clear Access (Pty) Ltd39,9364,294,967,297127AFRINIC
Regional Digital Telecommunication Company LLC39,9364,294,967,29710RIPE
The State Information Center of P.R.China39,9364,294,967,29710APNIC
WorkUP Inc.39,9364,294,967,29716APNIC
We Dare B.V.39,8564,294,967,2974RIPE
Farahoosh Dena PLC39,6804,294,967,2977RIPE
"AS6723" LIMITED LIABILITY COMPANY39,6803,758,096,38625RIPE
Apoteket AB39,432-9RIPE
Keminet SHPK39,424412,316,860,428116RIPE
GVM Sistem 2003 SRL39,42438,654,640,131127RIPE
LLC EKSINTECH39,4244,277,665,7994RIPE
CASABLANCA INT a.s.39,1684,294,967,29739RIPE
Enfo Oy39,168-180RIPE
BIT BV39,12834,359,672,8348RIPE
SysEleven GmbH39,01673,014,509,572634RIPE
Keyweb AG38,91234,359,738,3697RIPE
MOLDCELL S.A.38,91234,359,738,3698RIPE
vitroconnect GmbH38,91234,359,738,36914RIPE
Vidanet Cabletelevision Provider Ltd.38,9124,311,744,51413RIPE
Altron TMT (Pty) Ltd38,9124,294,967,297138AFRINIC
Afsat Communications Ltd38,912-6AFRINIC
PLAY2GO INTERNATIONAL LIMITED38,905-86RIPE
Liden Data Internetwork AB38,65634,359,803,9069RIPE
Comnet Bulgaria Holding Ltd.38,65634,359,738,36919RIPE
JSC "ER-Telecom Holding" Krasnoyarsk Branch38,656-17RIPE
RoyaleHosting BV38,400111,669,149,701134RIPE
Evowise SRL38,40068,719,542,27547RIPE
M SAT Cable EAD38,4004,294,967,2976RIPE
Internet Tekhnologii LLC38,400-78RIPE
Telecommunication Company of Alborz38,145-8RIPE
JP Morgan Chase & Co.38,14417,179,869,1869APNIC
InSPire Net Ltd38,1448,590,000,13112APNIC
Pelephone Communications Ltd.38,1444,294,967,29729RIPE
JSC "ER-Telecom Holding" Voronezh Branch38,14467,108,86520RIPE
web2objects GmbH37,888274,877,906,95259RIPE
Gavle Energi AB37,88868,719,476,73810RIPE
YouFibre Limited37,88868,719,476,73815RIPE
BOLIGNET-AARHUS F.M.B.A.37,88834,359,738,3694RIPE
The Ministry of Digital Transformation37,88834,359,738,3694RIPE
ArtX LLC37,8884,294,967,2977RIPE
Level 7 Wireless (Pty) Ltd37,8884,294,967,29720AFRINIC
Optimum Telecom Algeria37,8884,294,967,29714AFRINIC
TNNet Oy37,8884,294,967,2976RIPE
Shenzhen Aosida Communication Co., Ltd.37,88865,5376APNIC
University of JOS37,88865,5374AFRINIC
PowerCom Network Hong Kong Ltd37,888-6APNIC
Smart Telecom Limited37,7364,294,967,29735RIPE
Aixit GmbH37,72838,654,705,66611RIPE
Teleservice Bredband Skane AB37,63938,637,928,45141RIPE
Base IP B.V.37,6324,294,967,2977RIPE
HSTQ-HOSTING-SERVICE37,632-81RIPE
Institute of Mathematics and Computer Science of University of Latvia37,60034,360,000,517152RIPE
STARNET, s.r.o.37,37664,424,443,90812RIPE
Wireless Logic Limited37,37638,654,705,66617RIPE
Huge Networks (Pty) Ltd37,3768,589,934,594123AFRINIC
Mobilink GSM, Pakistan Mobile Communication Ltd.37,3768,589,934,5947APNIC
CEnet Limited37,3764,294,967,2976APNIC
Chillishot Ltd37,3764,294,967,29713RIPE
freenet DLS GmbH37,3764,294,967,2976RIPE
ECI Telecom Ltd.37,376-5RIPE
NG-BLU Networks B.V.37,19773,014,444,03539RIPE
OVH Srl37,160466,184805RIPE
FiberLink GmbH37,12038,654,705,66610RIPE
INETCOM CARRIER LLC37,12034,359,738,3696RIPE
Trytek LLC37,12030,064,705,53817RIPE
Vector Communications Ltd37,1204,294,967,2974APNIC
DEPARTMENT OF PLANNING AND ENVIRONMENT37,120-3APNIC
POWER-SERVERS-ROLE-ORG37,119111,669,477,385139RIPE
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki37,08034,343,026,69110RIPE
Advania Sverige AB36,94085,899,477,00057RIPE
trafficforce, UAB36,864206,158,430,21482RIPE
MasterCard Technologies LLC36,86438,654,705,6666RIPE
European IO-N Investment Group SL36,86434,359,738,36988RIPE
Marc Pauls (AlphaCron Datensysteme)36,86434,359,738,3698RIPE
"Computational technologies - consulting" LLC36,8644,294,967,2973RIPE
Extreme Broadband36,8644,294,967,2975APNIC
Modulaire Gemeenschappelijke regeling Rijk van Nijmegen36,8644,294,967,2973RIPE
MTT Network (Pvt) Ltd36,8644,294,967,2973APNIC
Nexusguard Pte. Ltd.36,8644,294,967,2977APNIC
TELECEL FASO36,8644,294,967,2973AFRINIC
UK Broadband Ltd.36,8644,294,967,2975RIPE
Woodynet Ltd36,86416,777,2176AFRINIC
PP "Merezha"36,86465,5374RIPE
232web36,864-122RIPE
JSC "ER-Telecom Holding" Novosibirsk branch36,864-21RIPE
Riserank Sp. z o.o.36,864-90RIPE
University of Hull36,864-2RIPE
Clouvider Limited36,721549,753,323,574175RIPE
Singapore Telecommunications (SINGTEL Internet Exchange)36,6084,294,967,2979APNIC
TerraNet sal36,56134,359,738,37123RIPE
Sileman Sp. z o.o.36,4684,026,531,8415RIPE
Godaddy.com36,3528,590,000,13114APNIC
Commerzbank Aktiengesellschaft36,3524,295,032,8349RIPE
Elektrizitaets- und Wasserwerk der Stadt Buchs SG36,3524,294,967,29711RIPE
VNET a.s.36,09638,654,705,66617RIPE
LEW TelNet GmbH36,0964,294,967,29715RIPE
AXARNET COMUNICACIONES, S.L.35,84077,309,411,33228RIPE
Noyan Abr Arvan Co. ( Private Joint Stock)35,84068,719,476,73817RIPE
Hostpapa UK Ltd.35,84038,654,705,6669RIPE
Netinternet Bilisim Teknolojileri AS35,84038,654,574,59617RIPE
IT.Gate S.p.A.35,84034,359,738,3697RIPE
Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG"35,84034,359,738,36924RIPE
TeleData GmbH35,84034,359,738,36916RIPE
Triple C Cloud Computing Ltd.35,84034,359,738,3697RIPE