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 36260352 215834755073
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 408064 77326843904
AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 8819968 8589934595
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6306816 30065033216
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Limited, HK Hong Kong 1358848 13421838336
AS4229 ZEN-NET - Zenlayer Inc, US United States 7936 4294967296
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17174784 17940149501956
AS4635 HKIX-RS1 - The Hong Kong Internet Exchange Limited, HK Hong Kong 2048 1
AS4777 APNIC-COLO - Asia Pacific Network Information Centre, AU Australia 512 1073741824
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 507136 55834574848
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458752 282627370713088
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1154816 90194444288
AS9002 RETN-AS - RETN Limited, GB United Kingdom 42496 4294967296
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 1966080 803159605248
AS17660 DRUKNET-AS - Bhutan Telecom Ltd, BT Bhutan 22528 4294967296
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS18187 ITI-AS-AP - Ignite Telecommunications Inc, PH Philippines 10752 4294967296
AS24516 VIRTUTEL-AS-AP - Virtutel Pty Ltd, AU Australia 18176 4294967296
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13312 2228224
AS35280 F5 - F5 Networks SARL, FR France 55296 81604378624
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42496 17179869184
AS45896 MOBIFONEGLOBAL-AS-VN - Mobifone Global JSC, VN Viet Nam 10240 4295032832
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116992 356753080320
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22528 8589934592
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8192 4294967296
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2048 4294967296
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2048 0
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4352 4295163904
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 123392 77422788610
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2560 4295032832
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 130816 118226945

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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