| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 70:B3:D5:0F:5 | MA-S | 4.1 thousand | GB | 29 Jul 2020 |
| 70:B3:D5:15:E | MA-S | 4.1 thousand | GB | 10 Jun 2018 |
| 70:B3:D5:65:E | MA-S | 4.1 thousand | GB | 2 Apr 2019 |
| 70:B3:D5:67:E | MA-S | 4.1 thousand | GB | 5 Sep 2019 |
| 70:B3:D5:BA:0 | MA-S | 4.1 thousand | GB | 26 Feb 2021 |
| 70:B3:D5:F4:6 | MA-S | 4.1 thousand | GB | 19 Mar 2020 |
| 8C:1F:64:37:D | MA-S | 4.1 thousand | GB | 11 Jun 2025 |
| 8C:1F:64:50:9 | MA-S | 4.1 thousand | GB | 11 Mar 2023 |
| 8C:1F:64:6B:B | MA-S | 4.1 thousand | GB | 17 May 2022 |
| 8C:1F:64:B2:8 | MA-S | 4.1 thousand | GB | 20 Oct 2023 |
Every block registered to Season Electronics Ltd in the IEEE registries, complete. Free-text search also matches former owners.