MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
HH
IEEE Registrant 2 Prefixes
Hangzhou Huasu Technology CO., LTD.
Hangzhou Huasu Technology CO., LTD. manages 2 unique MAC address prefixes. These prefixes have a total block size of 1.1 million addresses.
The allocation includes the following types: MA-M(MAC Address Block Medium, 1,048,576 addresses each) and 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 26 August 2024, and the most recent update was made on 29 July 2026. These allocations support network identification and communication globally.
Unique prefixes 2
Block Size 1052670 (1.05 M)
First registration 26 August 2024
Last updated 29 July 2026
Entity Details
Unique prefixes 2
Block Size 1052670 (1.05 M)
First registration 26 August 2024
Last updated 29 July 2026
Types
MA-M: Block Type
Mac Address Block Medium. Number of address 2^20 (~1 Million)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 |
|---|---|---|
| 8C:1F:64:72:0 | MA-S | 2024-08-26 |
| B4:DF:43:3 | MA-M | 2026-07-29 |