MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
BM
IEEE Registrant 16 Prefixes
Breas Medical AB
Breas Medical AB manages 16 unique MAC address prefixes. These prefixes have a total block size of 65.5 thousand addresses.
The allocation includes the following types: MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).
The company registered its MAC address allocation on 27 September 2017, and the most recent update was made on 27 August 2026. These allocations support network identification and communication globally.
Unique prefixes 16
Block Size 65520 (65.52 k)
First registration 27 September 2017
Last updated 27 August 2026
Entity Details
Unique prefixes 16
Block Size 65520 (65.52 k)
First registration 27 September 2017
Last updated 27 August 2026
Types
MA-S: Block Type
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 70:B3:D5:CF:9 | MA-S | 2020-12-29 |
| 70:B3:D5:E8:8 | MA-S | 2017-09-27 |
| 70:B3:D5:ED:A | MA-S | 2020-06-03 |
| 8C:1F:64:03:9 | MA-S | 2026-06-29 |
| 8C:1F:64:18:6 | MA-S | 2024-06-11 |
| 8C:1F:64:1C:5 | MA-S | 2026-02-25 |
| 8C:1F:64:34:8 | MA-S | 2025-09-23 |
| 8C:1F:64:4A:1 | MA-S | 2023-09-20 |
| 8C:1F:64:5A:1 | MA-S | 2025-06-11 |
| 8C:1F:64:93:5 | MA-S | 2024-11-20 |
| 8C:1F:64:95:0 | MA-S | 2026-08-27 |
| 8C:1F:64:98:F | MA-S | 2022-05-21 |
| 8C:1F:64:A6:1 | MA-S | 2024-03-18 |
| 8C:1F:64:B6:1 | MA-S | 2025-02-26 |
| 8C:1F:64:D4:0 | MA-S | 2021-11-12 |
| 8C:1F:64:E2:F | MA-S | 2024-08-27 |