MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SZ
IEEE Registrant 3 Prefixes
Shanghai Zenchant Electornics Co.,LTD
Shanghai Zenchant Electornics Co.,LTD manages 3 unique MAC address prefixes. These prefixes have a total block size of 18.9 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 11 August 2020, and the most recent update was made on 29 July 2025. These allocations support network identification and communication globally.
Unique prefixes 3
Block Size 18874365 (18.87 M)
First registration 11 August 2020
Last updated 29 July 2025
Entity Details
Unique prefixes 3
Block Size 18874365 (18.87 M)
First registration 11 August 2020
Last updated 29 July 2025
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 |
|---|---|---|
| 48:A4:8C | MA-L | 2025-07-29 |
| 5C:F8:38:4 | MA-M | 2023-08-16 |
| CC:4F:5C:3 | MA-M | 2020-08-11 |