United States
Reallocated
2026-04-06
2026-04-06
| AS | Desc | Country / Region | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC, US | United States |
36233472 | 215834689537 |
| AS1299 | TWELVE99 - Arelion Sweden AB, SE |  Sweden |
411392 | 77326778368 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc., US | United States |
6499584 | 30065033216 |
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US | United States |
8552448 | 442382745600 |
| AS6204 | ZET-NET - INTERKVM HOST SRL, RO |  Romania |
3840 | 268500999 |
| AS6939 | HURRICANE - Hurricane Electric LLC, US | United States |
458496 | 283043982606336 |
| AS24482 | SGGS-AS-AP - SG.GS, SG |  Singapore |
20992 | 4294967296 |
| AS49434 | FBWNETWORKS - FBW NETWORKS SAS, FR |  France |
8960 | 94489280512 |
| AS199524 | GCORE - G-Core Labs S.A., LU |  Luxembourg |
125952 | 118226945 |
| AS209823 | ENKI-AS - Enki Multimedia EURL, FR | France |
768 | 4295360512 |
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: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN OrgAbuseHandle: COGEN-ARIN OrgAbuseName: Cogent Abuse OrgAbusePhone: +1-877-875-4311 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN OrgNOCHandle: ZC108-ARIN OrgNOCName: Cogent Communications OrgNOCPhone: +1-877-875-4311 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN NetRange: 38.129.4.0 - 38.129.4.255 CIDR: 38.129.4.0/24 NetName: LIMESTONE-NETWORKS-CGNT-NET-32 NetHandle: NET-38-129-4-0-1 Parent: COGENT-A (NET-38-0-0-0-1) NetType: Reallocated OriginAS: Organization: Limestone Networks, Inc. (LIMES-2) RegDate: 2026-04-06 Updated: 2026-04-06 Comment: Geofeed https://geofeed.limestonenetworks.com/geofeed.csv Ref: https://rdap.arin.net/registry/ip/38.129.4.0 OrgName: Limestone Networks, Inc. OrgId: LIMES-2 Address: 400 S. Akard Street Address: Suite 200 City: Dallas StateProv: TX PostalCode: 75202 Country: US RegDate: 2007-12-04 Updated: 2024-11-25 Comment: http://limestonenetworks.com/ Ref: https://rdap.arin.net/registry/entity/LIMES-2 ReferralServer: rwhois://rwhois.limestonenetworks.com:4321 OrgAbuseHandle: ABUSE1804-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-214-586-0555 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE1804-ARIN OrgTechHandle: NOC2791-ARIN OrgTechName: Network Operations Center OrgTechPhone: +1-214-586-0555 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NOC2791-ARIN