MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
AO
Unique prefixes: 4
Block Size: 67108860 (67.1 M)
First registration: 02 March 2018
Last updated: 12 November 2022
Types
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)