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, US United States 35941888 297632989184
AS2734 CORESITE, US United States 48128 7248347136
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8553728 416612941824
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29081088 77349781760
AS3491 CONSOLE-CONNECT-ASN - PCCW Global, Inc., US United States 1084928 12885229568
AS4230 CLARO S.A., BR Brazil 5155584 21475098624
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 322816 17180065792
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1662208 288300138496
AS6939 HURRICANE - Hurricane Electric LLC, US United States 463872 282627370778624
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1154560 25769934848
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 1967360 12884967424
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS19151 BBO-1 - BroadbandONE, LLC, US United States 31232 4294967296
AS36103 CENTRALUTAH - Central Utah Telephone, Inc., US United States 55552 8590000128
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9216 42949672960
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43520 17179869184
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 106240 355679338496
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4096 8589934592
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23552 8589934592
AS61573 Ip Telecom BR, BR Brazil 1024 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99072 94583324672
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 41216 38923141120

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

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

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