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
AS999 CORIX-999 - CORIX NETWORKS, US United States 4608 4294967296
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86016 240518430720
AS1916 Rede Nacional de Ensino e Pesquisa, BR Brazil 726912 268566784
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3842560 17716871168
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7224832 30065098752
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1024 65536
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8573184 846109671424
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3553792 204347408384
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28948608 81626857472
AS4230 CLARO S.A., BR Brazil 5155584 21475098624
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17176832 17841431969792
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2156032 68719607808
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 572928 55834705920
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1661696 17717133312
AS6762 SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT Italy 196864 8590000128
AS6830 LibertyGlobal - Liberty Global B.V., NL Netherlands 1125376 103079215104
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 92816128 2418067308544
AS7594 ONQ-AS-AP - On Q Networks, AU Australia 11264 4294967296
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 68025856 36318243520512
AS12310 iNES - iNES GROUP SRL, RO Romania 55808 4294967296
AS12956 TELXIUS - TELEFONICA GLOBAL SOLUTIONS SL, ES Spain 102656 12884901888
AS14259 Gtd Internet S.A., CL Chile 396288 8589934592
AS14630 INVESCO - Invesco Group Services, Inc., US United States 7936 38671482880
AS14840 BR.Digital Provider, BR Brazil 70912 14010220544
AS16260 GTT-AUS - GTT - EMEA Ltd., GB United Kingdom 7936 262144
AS17433 HNSL-AS-AP - Hytron Network Services Limited, HK Hong Kong 0 65536
AS17557 PKTELECOM-AS-PK - Pakistan Telecommuication company limited, PK Pakistan 3852916 4295032832
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
AS22850 PIT-US - PIT US, US United States 0 0
AS23520 LIBERTY-NETWORKS - Columbus Networks USA, Inc., US United States 285440 8589934592
AS24516 VIRTUTEL-AS-AP - Virtutel Pty Ltd, AU Australia 18176 4294967296
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV, MX Mexico 5120 8589934592
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35584 107374182400
AS29680 VOZTELECOM - Gamma Operadora de Comunicaciones S.A., ES Spain 12544 4294967296
AS30600 AS-CMN - Metronet, US United States 232960 1103806595072
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27904 4294967296
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 9216 279314432
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS47160 MOJI - MOJI SAS, FR France 5376 34393292800
AS53013 W I X NET DO BRASIL LTDA - ME, BR Brazil 3328 6442582016
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 32768 4504699155841024
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1024 34359738368
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13312 34359738368
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3072 4294967296
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12800 4295032832
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 100608 77403652096
AS148968 FALCORE-AS-AP - Falcore Investments Pty Ltd, AU Australia 3072 4295163904
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 119552 112721920
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8192 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

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

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