MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CM
IEEE Registrant 6 Prefixes
Chiun Mai Communication System, Inc
Chiun Mai Communication System, Inc manages 6 unique MAC address prefixes. These prefixes have a total block size of 100.7 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 03 October 2016, and the most recent update was made on 11 December 2025. These allocations support network identification and communication globally.
Unique prefixes 6
Block Size 100663290 (100.66 M)
First registration 03 October 2016
Last updated 11 December 2025
Entity Details
Unique prefixes 6
Block Size 100663290 (100.66 M)
First registration 03 October 2016
Last updated 11 December 2025
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)