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 2184704 176093790208
AS852 ASN852 - TELUS Communications Inc., CA Canada 4735744 12907118592
AS1273 CW - Vodafone Group PLC, GB United Kingdom 1820160 8796093022208
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 247296 77326712832
AS1403 EBOX, CA Canada 282368 73014444032
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 85760 274878169088
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3842816 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 3553792 204347408384
AS3399 OBE-NET - Obenet AB, SE Sweden 15616 38654771200
AS3491 CONSOLE-CONNECT-ASN - PCCW Global, Inc., US United States 1084672 13421903872
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2970880 137439084544
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17176832 17931626283008
AS5398 InternetONE - Internet one SRL, CH Switzerland 19968 38654705664
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2048 34359738368
AS5511 Opentransit - Orange S.A., FR France 540928 17184129024
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2155520 68719476736
AS6327 SHAW - Shaw Communications Inc., CA Canada 5406976 77317799936
AS6424 EDGOO - EDGOO NETWORKS UNIPESSOAL LDA, PT Portugal 465920 313532612608
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 573952 55834705920
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1661696 17717198848
AS6830 LibertyGlobal - Liberty Global B.V., NL Netherlands 1123072 103079215104
AS6893 SAITIS-NETWORK - Saitis Network, N.Desir, CH Switzerland 9472 34359738368
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 93159168 2529754218496
AS7594 ONQ-AS-AP - On Q Networks, AU Australia 11264 4294967296
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 68017664 36318243520512
AS11178 RS-ACCESSPLUS - AccessPlus, US United States 5120 4294967296
AS12310 iNES - iNES GROUP SRL, RO Romania 56064 4294967296
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46080 42949804032
AS14630 INVESCO - Invesco Group Services, Inc., US United States 7680 38671482880
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135168 42949672960
AS16260 GTT-AUS - GTT - EMEA Ltd., GB United Kingdom 7936 262144
AS17433 HNSL-AS-AP - Hytron Network Services Limited, HK Hong Kong 0 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
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 183296 8590065664
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35840 107374182400
AS29680 VOZTELECOM - Gamma Operadora de Comunicaciones S.A., ES Spain 12544 4294967296
AS30600 AS-CMN - Metronet, US United States 232960 1099511627776
AS31034 ARUBA-ASN - Aruba S.p.A., IT Italy 288512 27279753216
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
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9216 4294967296
AS40994 Alwyzon - Hohl IT e.U., AT Austria 4608 4294967296
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS47160 MOJI - MOJI SAS, FR France 5376 34393292800
AS49788 NEXTHOP - Nexthop AS, NO Norway 47360 107374313472
AS53013 W I X NET DO BRASIL LTDA - ME, BR Brazil 3328 6442582016
AS56308 TELIN-NET-SG - TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD, SG Singapore 17920 4295098368
AS56911 ASN-WARIAN - Warian S.R.L., IT Italy 14848 9395765248
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1024 34359738368
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13312 34359738368
AS61573 Ip Telecom BR, BR Brazil 1024 4294967296
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 108800 111673344
AS215596 Kissgroup - KISSGROUP SAS, FR France 3328 34359738368
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

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

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