MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
PT
IEEE Registrant 2 Prefixes
Potron Technology Co.,Ltd.,
Potron Technology Co.,Ltd., manages 2 unique MAC address prefixes. These prefixes have a total block size of 17.8 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-M(MAC Address Block Medium, 1,048,576 addresses each).
The company registered its MAC address allocation on 23 January 2024, and the most recent update was made on 23 June 2026. These allocations support network identification and communication globally.
Unique prefixes 2
Block Size 17825790 (17.82 M)
First registration 23 January 2024
Last updated 23 June 2026
Entity Details
Unique prefixes 2
Block Size 17825790 (17.82 M)
First registration 23 January 2024
Last updated 23 June 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)MA-M: Block Type
Mac Address Block Medium. Number of address 2^20 (~1 Million)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 20:68:AA | MA-L | 2026-06-23 |
| 80:A5:79:5 | MA-M | 2024-01-23 |