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
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35928320 221394632704
AS559 Switch, CH Switzerland 2184960 176093790208
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1280 4294967296
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7158784 2233382993920
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 394752 77327106048
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 85248 240518430720
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3908608 17716871168
AS2516 KDDI - KDDI CORPORATION, JP Japan 18034944 2761664036864
AS2518 BIGLOBE - BIGLOBE Inc., JP Japan 3670016 38654705664
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6334976 30065098752
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3522048 204347408384
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28950656 81626857472
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2967552 146029019136
AS4230 CLARO S.A., BR Brazil 5155584 21475295232
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1148416 21474836480
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326400 17180065792
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2816 34359738368
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2156032 68719607808
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268435456
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39936 6442450944
AS6777 AMS-IX-RS - Amsterdam Internet Exchange B.V., NL Netherlands 0 0
AS6939 HURRICANE - Hurricane Electric LLC, US United States 578048 282631665680384
AS7195 EDGEUNO S.A.S, CO Colombia 31488 4275109888
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47360 12884967424
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2231296 4299292672
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741888 4295098368
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 561152 214749347840
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 82176 197568495616
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46336 42949804032
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570112 107374182400
AS14840 BR.Digital Telecom, BR Brazil 72192 14010417152
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135168 42949672960
AS15605 CONNESI - Connesi s.p.a., IT Italy 20992 17179869184
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53248 13153337344
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS25091 IP-Max - IP-Max SA, CH Switzerland 15104 68719607808
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31744 107374182400
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368384 38654705664
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12800 2162688
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0
AS34019 HIVANE - Hivane Association, FR France 2816 1245184
AS34177 CELESTE-AS - CELESTE SAS, FR France 289792 98784247808
AS34428 EIGHTROUTE - Giulio Lo Presti, IT Italy 512 68719476736
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1072896 12884901888
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9216 4294967296
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9472 42949869568
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14592 4294967296
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15872 8589934592
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42496 17179869184
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 13824 4312989696
AS39642 Norlys-Fibernet - Norlys Digital 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 3584 131072
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7680 4294967296
AS49434 FBWNETWORKS - FBW NETWORKS SAS, FR France 5888 94489280512
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115712 352458113024
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9216 38654705664
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13824 111669149696
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4096 8589934592
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 26624 4503616824082432
AS56308 TELIN-NET-SG - TELEKOMUNIKASI INDONESIA INTERNATIONAL, PTE.LTD, SG Singapore 17152 4295032832
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1280 34359738368
AS60539 Huicast_Telecom - Huicast Telecom Limited, HK Hong Kong 768 34359738368
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3328 4294967296
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12544 4294967296
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 105728 77405290496
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 125344 112787456
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4295360512

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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