abuse@cogentco.com
ipalloc@cogentco.com
2026-05-27
2026-05-27
| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US | 8505088 | 442382745600 | |
| AS137409 | GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU | 123392 | 77422788610 |
NetRange: 149.51.0.0 - 149.51.255.255 CIDR: 149.51.0.0/16 NetName: COGENT-149-51-16 NetHandle: NET-149-51-0-0-1 Parent: NET149 (NET-149-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Cogent Communications, LLC (COGC) RegDate: 1992-01-28 Updated: 2025-09-23 Ref: https://rdap.arin.net/registry/ip/149.51.0.0 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: 149.51.192.0 - 149.51.255.255 CIDR: 149.51.192.0/18 NetName: RACKDOG-CGNT-NET-12 NetHandle: NET-149-51-192-0-1 Parent: COGENT-149-51-16 (NET-149-51-0-0-1) NetType: Reassigned OriginAS: Customer: RCN (C11605110) RegDate: 2026-05-27 Updated: 2026-05-27 Ref: https://rdap.arin.net/registry/ip/149.51.192.0 CustName: RCN Address: 21635 Red Rum Dr City: Ashburn StateProv: VA PostalCode: 20147 Country: US RegDate: 2026-05-27 Updated: 2026-05-27 Ref: https://rdap.arin.net/registry/entity/C11605110 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