MAC Address Lookup

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

 MAC

WatchGuard Technologies, Inc.

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 09 November 2000

Last updated: 13 June 2018

Types

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

MAC PrefixTypeRegistration Date
00:01:21MA-L2000-11-09
00:90:7FMA-L2000-11-09