MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
BS
IEEE Registrant 5 Prefixes
BESO sp. z o.o.
BESO sp. z o.o. manages 5 unique MAC address prefixes. These prefixes have a total block size of 20.5 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 07 March 2019, and the most recent update was made on 03 February 2025. These allocations support network identification and communication globally.
Unique prefixes 5
Block Size 20475 (20.47 k)
First registration 07 March 2019
Last updated 03 February 2025
Entity Details
Unique prefixes 5
Block Size 20475 (20.47 k)
First registration 07 March 2019
Last updated 03 February 2025
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:C0:0 | MA-S | 2019-03-07 |
| 70:B3:D5:D7:D | MA-S | 2020-04-21 |
| 8C:1F:64:4D:C | MA-S | 2023-01-21 |
| 8C:1F:64:BA:2 | MA-S | 2025-02-03 |
| 8C:1F:64:BC:E | MA-S | 2024-02-08 |