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
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36233472 215834689537
AS559 Switch - SWITCH, CH Switzerland 2184960 176093790208
AS999 CORIX-999 - CORIX NETWORKS, US United States 70144 4295032834
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 0 0
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7402752 2233382993920
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84736 236223463424
AS1916 Rede Nacional de Ensino e Pesquisa, BR Brazil 660992 268435712
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28864512 81626398720
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3072 34359738368
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2155520 68719476736
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3840 268500999
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39680 6442450944
AS6695 DECIX-AS - DE-CIX Management GmbH, DE Germany 0 0
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458496 283043982606336
AS7195 EDGEUNO S.A.S, CO Colombia 32000 4274061312
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4276480 12885032962
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741888 4295098368
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 564992 210454380544
AS12577 MMC-AT-AS - MMC GmbH, AT Austria 9216 34359738368
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 47104 42949869568
AS13058 serve-u-AS - serve-u - Buchholz und Suenderhauf GbR, DE Germany 2048 34359738368
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570112 107374182400
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3072 8589934592
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
AS15943 WTNET-AS - wilhelm.tel GmbH, DE Germany 354560 38654836736
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 188672 8592162816
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS25091 IP-Max - IP-Max SA, CH Switzerland 15104 68719607808
AS28624 PROVEDORA CMA INTERNET LTDA, BR Brazil 37888 4294967296
AS28716 RETELIT-AS - Retelit Digital Services S.p.A., IT Italy 110080 107374182400
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31232 107374247936
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27904 4294967296
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13568 2293760
AS34019 HIVANE - Hivane Association, FR France 2560 1245184
AS34177 CELESTE-AS - Celeste SAS, FR France 229376 98784247808
AS35280 F5 - F5 Networks SARL, FR France 55808 81604378624
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1024 34359738368
AS35625 EUROFIBER-FRANCE - Eurofiber France SAS, FR France 31488 103095992320
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1072896 12884901888
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9472 42949672960
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15872 8589934592
AS38016 NOK-IP-NET-LABS - Nokia Solutions and Networks Australia Pty Ltd, AU Australia 256 4294967299
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42496 17179869184
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14592 12886081536
AS39642 Sinal-AS - Sinal A/S, DK Denmark 560128 146028953600
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS47147 AS-ANX - Anexia Cloud Solutions GmbH, AT Austria 1536 131072
AS47692 NESSUS - Nessus GmbH, AT Austria 37376 34359869440
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7936 4294967296
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116992 356753080320
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13824 111669149696
AS52075 WIFIRST - Wifirst S.A.S., FR France 132352 34359738368
AS52468 UFINET PANAMA S.A., PA Panama 238848 78575435776
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28416 4848746496
AS53202 Acesso10 Telecom, BR Brazil 8192 4294967296
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1280 34359738368
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22528 8589934592
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3584 4294967296
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS61626 UNIVERSIDADE ESTADUAL DE PONTA GROSSA, BR Brazil 8192 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140800 77423378434
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 125952 118226945
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4295360512
AS262427 Invista Net Provedor de Acesso Ltda, BR Brazil 8192 4294967296
AS262462 Aranet Play, BR Brazil 14336 4294967296
AS264479 Turbozone Internet, BR Brazil 2560 4294967296
AS266213 PLANETCLICK TELECOMUNICACOES LTDA, BR Brazil 1536 4294967296
AS267613 ELETRONET S.A., BR Brazil 1024 4294967296
AS269180 VIPNET Conexão, BR Brazil 1280 4294967296
AS271253 LINK BRASIL TELECOMUNICACOES LTDA, BR Brazil 4096 655097865
AS272403 RAFAEL RIGOBERTO LOPEZ OROZCO, MX Mexico 4096 4294967296

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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