Summary

NetName
COGENT-A
OrgName
Cogent Communications, LLC
CIDR
RIR

ARIN

Country

Status

Direct Allocation

Abuse

abuse@cogentco.com

Contact

ipalloc@cogentco.com

RegDate

1991-04-16

Updated

2025-09-23

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS513 CERN - CERN - European Organization for Nuclear Research, CH Switzerland 354816 8589934592
AS1916 Rede Nacional de Ensino e Pesquisa, BR Brazil 660992 268566784
AS2516 KDDI - KDDI CORPORATION, JP Japan 18043648 2761664036864
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1024 65536
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2966528 146029019392
AS4230 CLARO S.A., BR Brazil 5155584 21475164160
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17176832 35313342611463
AS4651 NTPCL-AS-AP - National Telecom Public Company Limited, TH Thailand 9472 4294967296
AS5392 TELNET-ITALY - TELNET S.r.l., IT Italy 16384 4294967296
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2156032 68719607808
AS6762 SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT Italy 285184 8590065664
AS7594 ONQ-AS-AP - On Q Networks, AU Australia 11264 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 82432 197568495616
AS14259 Gtd Internet S.A., CL Chile 396288 8589934592
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 66048 12884901888
AS14630 INVESCO - Invesco Group Services, Inc., US United States 8192 38671482880
AS14840 BR.Digital Telecom, BR Brazil 72704 14010482688
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135424 42949672960
AS19151 BBO-1 - BroadbandONE, LLC, US United States 30976 4294967296
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US United States 916224 1108101693440
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 186880 8592162816
AS22850 PIT-US - PIT US, US United States 0 0
AS23352 SERVERCENTRAL - DEFT.COM, US United States 189696 4563533824
AS23520 LIBERTY-NETWORKS - Columbus Networks USA, Inc., US United States 285440 8589934593
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 367872 1108101562368
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 369152 38654705664
AS31034 ARUBA-ASN - Aruba S.p.A., IT Italy 286720 27279753216
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13056 2162688
AS32709 1-JOINK - Joink, LLC, US United States 45056 4294967296
AS34177 CELESTE-AS - CELESTE SAS, FR France 224256 98784247808
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1072896 12884901888
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9216 4294967296
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9472 42949738496
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2048 4578082816
AS38082 IIT-TIG-AS-AP - True International Gateway Co., Ltd., TH Thailand 7168 4294967296
AS49788 NEXTHOP - Nexthop AS, NO Norway 47104 107374313472
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4096 8589934592
AS52468 UFINET PANAMA S.A., PA Panama 212992 73944072192
AS56308 TELIN-NET-SG - TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD, SG Singapore 15872 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 121344 1191444480
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3328 4294967296
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12544 4295032832
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 109568 77422133250
AS148968 FALCORE-AS-AP - Falcore Investments Pty Ltd, AU Australia 3072 4295163904
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2560 4295032832
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 127488 113836032
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8192 4294967296
AS267613 ELETRONET S.A., BR Brazil 1024 4294967296
AS272403 RAFAEL RIGOBERTO LOPEZ OROZCO, MX Mexico 3072 4294967296
AS327960 PC-MANIACS - PC Maniacs (Pty) Ltd, ZA South Africa 2048 4294967296
AS395348 DATASPINDLE, US United States 512 134217728
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 195584 142002356224

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:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

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