MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SX
IEEE Registrant 3 Prefixes
ShenZhen XinZhongXin Technology Co.， Ltd
ShenZhen XinZhongXin Technology Co.， Ltd manages 3 unique MAC address prefixes. These prefixes have a total block size of 50.3 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).
The company registered its MAC address allocation on 05 March 2025, and the most recent update was made on 27 August 2026. These allocations support network identification and communication globally.
Unique prefixes 3
Block Size 50331645 (50.33 M)
First registration 05 March 2025
Last updated 27 August 2026
Entity Details
Unique prefixes 3
Block Size 50331645 (50.33 M)
First registration 05 March 2025
Last updated 27 August 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)