Guardian Controls International Ltd

Unique prefixes: 4

Block Size: 16380 (16.38 k)

First registration: 21 February 2011

Last updated: 19 July 2021

Types

IAB: Individual Address Blocks. Number of address 2^24 (~16 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
00:50:C2:1D:8 IAB 2011-02-21
70:B3:D5:01:6 MA-S 2014-04-14
70:B3:D5:71:0 MA-S 2014-04-14
8C:1F:64:7A:1 MA-S 2021-07-19