| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 70:B3:D5:CF:9 | MA-S | 4.1 thousand | SE | 30 Dec 2020 |
| 70:B3:D5:E8:8 | MA-S | 4.1 thousand | SE | 11 Sep 2017 |
| 70:B3:D5:ED:A | MA-S | 4.1 thousand | SE | 3 Jun 2020 |
| 8C:1F:64:03:9 | MA-S | 4.1 thousand | SE | 29 Jun 2026 |
| 8C:1F:64:18:6 | MA-S | 4.1 thousand | SE | 12 Jun 2024 |
| 8C:1F:64:1C:5 | MA-S | 4.1 thousand | SE | 26 Feb 2026 |
| 8C:1F:64:34:8 | MA-S | 4.1 thousand | SE | 23 Sep 2025 |
| 8C:1F:64:4A:1 | MA-S | 4.1 thousand | SE | 29 Aug 2023 |
| 8C:1F:64:5A:1 | MA-S | 4.1 thousand | SE | 12 Jun 2025 |
| 8C:1F:64:93:5 | MA-S | 4.1 thousand | SE | 20 Nov 2024 |
| 8C:1F:64:95:0 | MA-S | 4.1 thousand | SE | 27 Aug 2026 |
| 8C:1F:64:98:F | MA-S | 4.1 thousand | SE | 22 May 2022 |
| 8C:1F:64:A6:1 | MA-S | 4.1 thousand | SE | 19 Mar 2024 |
| 8C:1F:64:B6:1 | MA-S | 4.1 thousand | SE | 26 Feb 2025 |
| 8C:1F:64:D4:0 | MA-S | 4.1 thousand | SE | 13 Nov 2021 |
| 8C:1F:64:E2:F | MA-S | 4.1 thousand | SE | 28 Aug 2024 |
Every block registered to Breas Medical AB in the IEEE registries, complete. Free-text search also matches former owners.