| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 8C:1F:64:0C:8 | MA-S | 4.1 thousand | DE | 9 Jul 2024 |
| 8C:1F:64:53:1 | MA-S | 4.1 thousand | DE | 27 Jan 2026 |
| 8C:1F:64:57:C | MA-S | 4.1 thousand | DE | 10 Apr 2026 |
| 8C:1F:64:7B:1 | MA-S | 4.1 thousand | DE | 17 May 2023 |
| 8C:1F:64:7E:8 | MA-S | 4.1 thousand | DE | 7 Feb 2025 |
| 8C:1F:64:80:4 | MA-S | 4.1 thousand | DE | 20 Oct 2023 |
| 8C:1F:64:96:A | MA-S | 4.1 thousand | DE | 31 Oct 2023 |
| 8C:1F:64:9D:3 | MA-S | 4.1 thousand | DE | 7 Mar 2024 |
| 8C:1F:64:A2:E | MA-S | 4.1 thousand | DE | 26 Jun 2025 |
| 8C:1F:64:C6:D | MA-S | 4.1 thousand | DE | 27 Jul 2023 |
| 8C:1F:64:E9:2 | MA-S | 4.1 thousand | DE | 8 Feb 2023 |
| 8C:1F:64:F5:7 | MA-S | 4.1 thousand | DE | 17 Sep 2022 |
Every block registered to EA Elektro-Automatik GmbH in the IEEE registries, complete. Free-text search also matches former owners.