Corporate Systems Engineering

Unique prefixes: 2

Block Size: 1052670 (1.05 M)

First registration: 06 August 2011

Last updated: 24 October 2018

Types

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC Prefix Type Registration Date
00:1B:C5:01:5 MA-S 2011-08-06
1C:87:76:7 MA-M 2016-02-05