| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:F1:6 | IAB | 4.1 thousand | DE | 15 Jan 2012 |
| 40:D8:55:1C:E | IAB | 4.1 thousand | DE | 15 Dec 2013 |
| 70:B3:D5:08:B | MA-S | 4.1 thousand | DE | 19 Aug 2018 |
| 70:B3:D5:2E:0 | MA-S | 4.1 thousand | DE | 26 Apr 2015 |
| 70:B3:D5:5B:2 | MA-S | 4.1 thousand | DE | 12 Jun 2019 |
| 70:B3:D5:CD:9 | MA-S | 4.1 thousand | DE | 28 Aug 2016 |
| 70:B3:D5:D7:B | MA-S | 4.1 thousand | DE | 22 Oct 2017 |
| 70:B3:D5:DC:4 | MA-S | 4.1 thousand | DE | 15 Apr 2020 |
| 8C:1F:64:7E:4 | MA-S | 4.1 thousand | DE | 11 Sep 2026 |
| 8C:1F:64:8B:C | MA-S | 4.1 thousand | DE | 14 Mar 2025 |
| 8C:1F:64:98:7 | MA-S | 4.1 thousand | DE | 19 Dec 2023 |
| 8C:1F:64:AA:3 | MA-S | 4.1 thousand | DE | 14 Jan 2023 |
| 8C:1F:64:C3:5 | MA-S | 4.1 thousand | DE | 12 May 2022 |
| 8C:1F:64:DC:9 | MA-S | 4.1 thousand | DE | 4 Jun 2021 |
Every block registered to Peter Huber Kaeltemaschinenbau SE in the IEEE registries, complete. Free-text search also matches former owners.