Summary

NetName
COGENT-A
OrgName
Cogent Communications, LLC
CIDR
RIR

ARIN

Country / Region

Status

Direct Allocation

RegDate

1991-04-16

Updated

2025-09-23

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS513 CERN - CERN - European Organization for Nuclear Research, CH Switzerland 354816 8589934592
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 0 0
AS1916 Rede Nacional de Ensino e Pesquisa, BR Brazil 660992 268435712
AS2516 KDDI - KDDI CORPORATION, JP Japan 18074624 2761664036864
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1024 65536
AS3701 LINK-OREGON - University of Oregon, US United States 170496 4294967296
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2950912 137439084544
AS4230 CLARO S.A., BR Brazil 5155584 21475098624
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17174784 17935855058948
AS5392 TELNET-ITALY - TELNET S.r.l., IT Italy 16384 4294967296
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2248960 17592186109952
AS6128 CABLE-NET-1 - Cablevision Systems Corp., US United States 5057792 73014444032
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3840 268500999
AS7594 ONQ-AS-AP - On Q Networks, AU Australia 11008 4294967296
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741888 4295098368
AS12310 iNES - iNES GROUP SRL, RO Romania 55808 4294967296
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 81920 188978561024
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65536 12884901888
AS16735 ALGAR TELECOM S/A, BR Brazil 546816 17179869184
AS19151 BBO-1 - BroadbandONE, LLC, US United States 63232 4294967296
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US United States 953344 1108101758976
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 188672 8592162816
AS22850 PIT-US - PIT US, US United States 0 0
AS23352 SERVERCENTRAL - DEFT.COM, US United States 191744 4563599360
AS24516 VIRTUTEL-AS-AP - Virtutel Pty Ltd, AU Australia 18176 4294967296
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV, MX Mexico 5120 8589934592
AS29680 VOZTELECOM - Gamma Operadora de Comunicaciones S.A., ES Spain 12544 4294967296
AS30600 AS-CMN - Metronet, US United States 364544 1108101562368
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 387840 38654705664
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13568 2293760
AS32709 1-JOINK - Joink, LLC, US United States 45056 4294967296
AS34177 CELESTE-AS - Celeste SAS, FR France 229376 98784247808
AS34428 EIGHTROUTE - Giulio Lo Presti, IT Italy 512 68719476736
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 9728 328925184
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1072896 12884901888
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9216 4294967296
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2048 4572839936
AS49788 NEXTHOP - Nexthop AS, NO Norway 47360 107374313472
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4096 8589934592
AS52468 UFINET PANAMA S.A., PA Panama 238848 78575435776
AS56308 TELIN-NET-SG - TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD, SG Singapore 16128 4295032832
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1280 34359738368
AS57111 ALTITUD - NOVA NETWORKS S.R.L., IT Italy 3072 34359738368
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 128000 1258553344
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3584 4294967296
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12544 4295032832
AS64126 DOMINICAN TELECOM PRIME, DTP, S.R.L., DO Dominican 66560 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140800 77423378434
AS148968 FALCORE-AS-AP - Falcore Investments Pty Ltd, AU Australia 3584 4295163904
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2560 4295032832
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 125952 118226945
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8192 4294967296
AS271253 LINK BRASIL TELECOMUNICACOES LTDA, BR Brazil 4096 655097865
AS272403 RAFAEL RIGOBERTO LOPEZ OROZCO, MX Mexico 4096 4294967296
AS327960 PC-MANIACS - PC Maniacs (Pty) Ltd, ZA South Africa 2048 4294967296
AS395348 DATASPINDLE - DataSpindle, US United States 512 134217728

Whois

NetRange:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1991-04-16
Updated:        2025-09-23
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0

OrgName:        Cogent Communications, LLC
OrgId:          COGC
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2000-05-30
Updated:        2025-09-23
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/COGC

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

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