MAC Address Lookup

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

DOLBY LABORATORIES, INC.

Unique prefixes: 4

Block Size: 17833980 (17.83 M)

First registration: 09 November 2000

Last updated: 19 June 2020

Types

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

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)