abuse@cogentco.com
ipalloc@cogentco.com
2026-01-29
2026-01-29
| AS | Desc | Country / Region | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC, US | 36211200 | 215834689537 | |
| AS1239 | COGENT-1239 - Cogent Communications, LLC, US | 0 | 210729631744 | |
| AS2734 | CORESITE, US | 48896 | 7248347136 | |
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US | 8496896 | 442382745600 | |
| AS14016 | CAPCON-NETWORK-LLC - Capcon Networks, US | 2048 | 262144 | |
| AS19151 | BBO-1 - BroadbandONE, LLC, US | 63232 | 0 | |
| AS25091 | IP-Max - IP-Max SA, CH | 15104 | 68719607808 | |
| AS49544 | i3Dnet - i3D.net B.V, NL | 116992 | 356753080320 | |
| AS137409 | GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU | 139264 | 77423378434 | |
| AS199524 | GCORE - G-Core Labs S.A., LU | 126720 | 118226945 |
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 NetRange: 38.145.192.0 - 38.145.223.255 CIDR: 38.145.192.0/19 NetName: ENZU-CGNT-NET-1 NetHandle: NET-38-145-192-0-1 Parent: COGENT-A (NET-38-0-0-0-1) NetType: Reassigned OriginAS: Customer: Enzu Inc. (C11492683) RegDate: 2026-01-29 Updated: 2026-01-29 Comment: Geofeed: https://portal.enzu.com/geofeed/geofeed.csv Ref: https://rdap.arin.net/registry/ip/38.145.192.0 CustName: Enzu Inc. Address: 350 E CERMAK RD City: CHICAGO StateProv: IL PostalCode: 60616 Country: US RegDate: 2026-01-29 Updated: 2026-01-29 Ref: https://rdap.arin.net/registry/entity/C11492683 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