Summary

NetName
COGENT-A
OrgName
Cogent Communications, LLC
CIDR
RIR

ARIN

Country / Region

Status

Direct Allocation

Abuse

abuse@cogentco.com

Contact

ipalloc@cogentco.com

RegDate

1991-04-16

Updated

2025-09-23

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS513 CERN - CERN - European Organization for Nuclear Research, CH Switzerland 354816 8589934592
AS559 Switch, CH Switzerland 2184960 176093790208
AS701 UUNET - Verizon Business, US United States 41644032 1249852784640
AS1273 CW - Vodafone Group PLC, GB United Kingdom 2054400 8796095119360
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84736 236223463424
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3920896 17717067776
AS2518 BIGLOBE - BIGLOBE Inc., JP Japan 3670016 38654705664
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1024 65536
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3517952 204347408384
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Limited, HK Hong Kong 1359104 13421838336
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2962944 137439084544
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17174784 17931559960580
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2155520 68719476736
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 506624 55834640384
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1751040 51808436224
AS6762 SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT Italy 285440 8590000128
AS6830 LibertyGlobal - Liberty Global Europe Holding B.V., NL Netherlands 1180672 103079215104
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 92807680 2306398093312
AS7594 ONQ-AS-AP - On Q Networks, AU Australia 11008 4294967296
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 68238848 36318243520512
AS12310 iNES - iNES GROUP SRL, RO Romania 55808 4294967296
AS12577 MMC-AT-AS - MMC GmbH, AT Austria 9216 34359738368
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 47104 42949869568
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65536 12884901888
AS14840 BR.Digital Telecom, BR Brazil 72960 14010613760
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135424 42949672960
AS17433 HNSL-AS-AP - Hytron Network Services Limited, HK Hong Kong 0 65536
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US United States 953344 1108101758976
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 188672 8592162816
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV, MX Mexico 5120 8589934592
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31232 107374247936
AS29680 VOZTELECOM - Gamma Operadora de Comunicaciones S.A., ES Spain 12544 4294967296
AS30600 AS-CMN - Metronet, US United States 364544 1108101562368
AS31034 ARUBA-ASN - Aruba S.p.A., IT Italy 283136 17179869184
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27904 4294967296
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13568 2293760
AS32709 1-JOINK - Joink, LLC, US United States 45056 4294967296
AS33185 HIVE-DATA-CENTER - Hive Data Center Inc., CA Canada 4864 268566528
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9216 4294967296
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2048 4572839936
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5888 38654705664
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS49788 NEXTHOP - Nexthop AS, NO Norway 47360 107374313472
AS56308 TELIN-NET-SG - TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD, SG Singapore 16128 4295032832
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1280 34359738368
AS57630 AS-84GRAMS - 84 Grams AB, SE Sweden 19712 68719476736
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13312 34359738368
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3584 4294967296
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS62000 AS62000 - SERVERD SAS, FR France 6912 90194378752
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 139264 77423378434
AS148968 FALCORE-AS-AP - Falcore Investments Pty Ltd, AU Australia 3584 4295163904
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2560 4295032832
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 126720 118226945
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 256 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

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

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

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