Guardian Controls International Ltd MAC address blocks

The IEEE registry carries 5 blocks registered to Guardian Controls International Ltd, together 20.5 thousand addresses, first observed 30 Jul 2008, most recently 24 Sep 2025.

Registered in GB.

Prefix Block Addresses Country First registered
00:50:C2:1D:8IAB4.1 thousandGB30 Jul 2008
70:B3:D5:01:6MA-S4.1 thousandGB13 Apr 2014
70:B3:D5:71:0MA-S4.1 thousandGB13 Apr 2014
8C:1F:64:26:6MA-S4.1 thousandGB24 Sep 2025
8C:1F:64:7A:1MA-S4.1 thousandGB21 Jul 2021

Every block registered to Guardian Controls International Ltd in the IEEE registries, complete. Free-text search also matches former owners.

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.