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 35927552 221394501632
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1280 4294967296
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 421632 77327040512
AS1916 Rede Nacional de Ensino e Pesquisa, BR Brazil 726912 268566784
AS2734 CORESITE, US United States 48896 7248347136
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8569088 468152549376
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3522048 204347408384
AS5511 Opentransit - Orange S.A., FR France 413440 17184260096
AS6762 SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT Italy 291840 8590000128
AS6939 HURRICANE - Hurricane Electric LLC, US United States 578048 282631665680384
AS7195 EDGEUNO S.A.S, CO Colombia 31488 4275109888
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 66048 12884901888
AS14840 BR.Digital Telecom, BR Brazil 72192 14010417152
AS19151 BBO-1 - BroadbandONE, LLC, US United States 31488 4294967296
AS20080 AMPATH - Florida International University, US United States 2048 4295032832
AS22850 PIT-US - PIT US, US United States 0 0
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9472 42949738496
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4096 8589934592
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 132096 4294967296
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 119552 1191444480
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12544 4295032832
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS64126 DOMINICAN TELECOM PRIME, DTP, S.R.L., DO Dominican 66560 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 105728 77405290496
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 126368 113836032
AS263237 PowerHost Telecom SPA, CL Chile 3328 196608

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

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

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

Graph