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
AS559 Switch, CH Switzerland 2184960 176093790208
AS1273 CW - Vodafone Group PLC, GB United Kingdom 1812224 8796093022208
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 393216 77327171584
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84736 240518430720
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3911680 17716871168
AS2518 BIGLOBE - BIGLOBE Inc., JP Japan 3670016 38654705664
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1024 65536
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3521024 204347408384
AS3491 CONSOLE-CONNECT-ASN - PCCW Global, Inc., US United States 1157888 13421838336
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17176832 17931626610688
AS5511 Opentransit - Orange S.A., FR France 412416 17184260096
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2156032 68719607808
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 507904 55834705920
AS6830 LibertyGlobal - Liberty Global Europe Holding B.V., NL Netherlands 1118976 103079215104
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 92882944 2426673954816
AS7594 ONQ-AS-AP - On Q Networks, AU Australia 11264 4294967296
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 68039424 36318243520512
AS12310 iNES - iNES GROUP SRL, RO Romania 55808 4294967296
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 66048 12884901888
AS14630 INVESCO - Invesco Group Services, Inc., US United States 7936 38671482880
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135168 42949672960
AS17433 HNSL-AS-AP - Hytron Network Services Limited, HK Hong Kong 256 65536
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US United States 916224 1108101693440
AS20912 ASN-PANSERVICE - Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C.", IT Italy 18432 4294967296
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS21700 NEPTUNE-NETWORKS - Neptune Networks, LLC, US United States 3072 4429185024
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 186880 8592162816
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV, MX Mexico 5120 8589934592
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31744 107374182400
AS29680 VOZTELECOM - Gamma Operadora de Comunicaciones S.A., ES Spain 12544 4294967296
AS30600 AS-CMN - Metronet, US United States 367872 1108101562368
AS31034 ARUBA-ASN - Aruba S.p.A., IT Italy 288768 27279753216
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27904 4294967296
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13056 2162688
AS32709 1-JOINK - Joink, LLC, US United States 45056 4294967296
AS33185 HIVE-DATA-CENTER - Hive Data Center Inc., CA Canada 5632 268566528
AS34428 EIGHTROUTE - Giulio Lo Presti, IT Italy 512 68719476736
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 8448 278462464
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5376 4294967296
AS47160 MOJI - MOJI SAS, FR France 5120 34393292800
AS56308 TELIN-NET-SG - TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD, SG Singapore 15872 4295032832
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1280 34359738368
AS57630 AS-84GRAMS - 84 Grams AB, SE Sweden 18688 68719476736
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13312 34359738368
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3328 4294967296
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS62275 NHM - NHM - S.R.L., IT Italy 5376 171798691840
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 108800 77422067712
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 125952 113836032
AS215596 Kissgroup - KISSGROUP SAS, FR France 4352 34359738368
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8192 4294967296
AS272403 RAFAEL RIGOBERTO LOPEZ OROZCO, MX Mexico 3072 4294967296
AS395348 DATASPINDLE, US United States 512 134217728

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

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

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