MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CI
IEEE Registrant 3 Prefixes
CJ intelligent technology LTD.
CJ intelligent technology 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 11 November 2025, and the most recent update was made on 19 June 2026. These allocations support network identification and communication globally.
Unique prefixes 3
Block Size 50331645 (50.33 M)
First registration 11 November 2025
Last updated 19 June 2026
Entity Details
Unique prefixes 3
Block Size 50331645 (50.33 M)
First registration 11 November 2025
Last updated 19 June 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)