MAC Address Lookup

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

 MAC

Sennheiser electronic GmbH & Co. KG

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 09 February 2007

Last updated: 26 June 2021

Types

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

MAC PrefixTypeRegistration Date
00:1B:66MA-L2007-02-09
80:C3:BAMA-L2021-06-26