4 registered blocks

Guardian Controls International Ltd MAC Addresses

All OUI prefixes assigned to Guardian Controls International Ltd by the IEEE. Any device MAC beginning with one of these belongs to this vendor.

MA-S (36-bit, small block)4 blocks
Combined address space16,384 addresses

All Guardian Controls International Ltd prefixes

70B3D5016MA-S 70B3D5710MA-S 8C1F64266MA-S 8C1F647A1MA-S

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