MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Resideo
Unique prefixes: 4
Block Size: 67108860 (67.1 M)
First registration: 09 November 2000
Last updated: 03 December 2019
Types
CID: Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)