MAC Address Lookup

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


Westinghouse Electric Company, LLC

Unique prefixes: 1

Block Size: 16777215 (16.77 M)

First registration: 14 March 2010

Last updated: 17 November 2015


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

MAC PrefixTypeRegistration Date