MAC Address Lookup

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

 MAC

Westermo Network Technologies AB

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 24 October 2001

Last updated: 09 January 2019

Types

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

MAC PrefixTypeRegistration Date
00:07:7CMA-L2001-10-24
00:11:B4MA-L2004-06-30