Microsoft

Unique prefixes: 10

Block Size: 150999030 (150.99 M)

First registration: 10 June 2010

Last updated: 17 November 2015

Types

IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)

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

MAC Prefix Type Registration Date
00:50:C2:00:3 IAB 2011-02-21
30:59:B7 MA-L 2014-02-25
4C:0B:BE MA-L 2014-08-20
50:1A:C5 MA-L 2013-11-12
58:82:A8 MA-L 2015-11-17
60:45:BD MA-L 2012-05-01
7C:1E:52 MA-L 2011-07-09
7C:ED:8D MA-L 2010-06-10
B4:AE:2B MA-L 2015-11-17
C0:33:5E MA-L 2014-11-11