MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 Vendor

Facebook Technologies, LLC

Unique prefixes: 4

Block Size: 67108860 (67.1 M)

First registration: 09 January 2021

Last updated: 20 July 2022

Types

MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MAC PrefixTypeRegistration Date
80:F3:EFMA-L2021-01-09
B4:17:A8MA-L2021-12-23
C0:DD:8AMA-L2022-01-27
CC:A1:74MA-L2022-07-20