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
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7158528 2233382993920
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 395008 77326712832
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86016 240518430720
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3842816 17716871168
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 70912 18350080
AS3233 ICI-ROTLD - Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti, RO Romania 106240 4294967296
AS3399 OBE-NET - Obenet AB, SE Sweden 16128 38654771200
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2970624 137439084544
AS4230 CLARO S.A., BR Brazil 5155584 21475098624
AS4455 BSO - IX Reach Ltd, GB United Kingdom 55808 12884967424
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 769280 21474836480
AS5398 InternetONE - Internet one SRL, CH Switzerland 20224 38654705664
AS5413 Wavenet-AS5413 - Wavenet Limited, GB United Kingdom 736000 68719607808
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1662208 17717133312
AS6667 EUNET-FINLAND - Elisa Oyj, FI Finland 2560 4294967296
AS6939 HURRICANE - Hurricane Electric LLC, US United States 581888 282627370713088
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47360 12884967424
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1496320 25770590208
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 987648 253403463680
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 2055168 12884967424
AS12310 iNES - iNES GROUP SRL, RO Romania 56064 4294967296
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 561920 214749216768
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46336 42949804032
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570880 107374182400
AS14840 BR.Digital Provider, BR Brazil 70912 14010220544
AS15412 FLAG-AS - FLAG TELECOM UK LIMITED, GB United Kingdom 36096 4294967296
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS21320 GEANT_IAS_VRF - GEANT Vereniging, NL Netherlands 2048 4295032832
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35584 107374182400
AS30781 JAGUAR-AS - Free Pro SAS, FR France 105472 133144051712
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 345088 38654705664
AS31554 LANSOFT - LANSOFT DATA SRL, RO Romania 8448 131072
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12800 2162688
AS34019 HIVANE - Hivane Association, FR France 2816 1245184
AS34177 CELESTE-AS - CELESTE SAS, FR France 289792 98784247808
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1072896 12884901888
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 10496 42949672960
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14592 4294967296
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43520 17179869184
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 12032 4312662016
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS47147 AS-ANX - ANEXIA Internetdienstleistungs GmbH, AT Austria 1536 131072
AS47160 MOJI - MOJI SAS, FR France 5376 34393292800
AS47692 NESSUS - Nessus GmbH, AT Austria 37120 34359869440
AS48571 EFECTRO-As - efectRO SRL, RO Romania 2816 34359738368
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 105472 351384436736
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9472 38654705664
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13824 111669149696
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4096 8589934592
AS56430 CHROOT - Chroot Network SRL, RO Romania 4608 146028888064
AS56911 ASN-WARIAN - Warian S.R.L., IT Italy 14848 9395765248
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 115456 1157890048
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99328 77403586560

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

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

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