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
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35925760 217099534337
AS2734 CORESITE, US United States 49664 7248347136
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6349056 30065098752
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8559616 468152549376
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Limited, HK Hong Kong 1362432 13421838336
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 325632 17180131328
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2155520 68719607808
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 506368 55834705920
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1760256 52076871693
AS6939 HURRICANE - Hurricane Electric LLC, US United States 454144 282640524050432
AS7195 EDGEUNO S.A.S, CO Colombia 31488 4275109888
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1154816 25769934848
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS19151 BBO-1 - BroadbandONE, LLC, US United States 30976 4294967296
AS21700 NEPTUNE-NETWORKS - Neptune Networks, LLC, US United States 3072 4429185024
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV, MX Mexico 5120 8589934592
AS36103 CENTRALUTAH - Central Utah Telephone, Inc., US United States 53760 8590000128
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9472 47244705792
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42496 17179869184
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115968 356753080320
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22528 8589934592
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 110592 77422133250
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 127744 115933184
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 109568 25772753154

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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