MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Chiun Mai Communication System, Inc
Unique prefixes: 4
Block Size: 67108860 (67.1 M)
First registration: 03 October 2016
Last updated: 07 December 2022
Types
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)