| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 8C:1F:64:20:A | MA-S | 4.1 thousand | US | 13 Jun 2025 |
| 8C:1F:64:24:6 | MA-S | 4.1 thousand | US | 20 Oct 2023 |
| 8C:1F:64:27:B | MA-S | 4.1 thousand | US | 20 Jun 2023 |
| 8C:1F:64:3B:D | MA-S | 4.1 thousand | US | 20 Apr 2024 |
| 8C:1F:64:C6:7 | MA-S | 4.1 thousand | US | 27 Aug 2024 |
Every block registered to Oriux in the IEEE registries, complete. Free-text search also matches former owners.