MAC Address Lookup

 MAC

Cambridge Communication Systems Ltd

Unique prefixes: 3

Block Size: 50331645 (50.33 M)

First registration: 04 February 2012

Last updated: 10 May 2019

Types

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

MAC PrefixTypeRegistration Date
AC:51:EEMA-L2012-02-04
28:D0:CBMA-L2018-04-25
20:5F:3DMA-L2019-05-10