4 registered blocks

Active Research Limited MAC Addresses

All OUI prefixes assigned to Active Research Limited by the IEEE. Any device MAC beginning with one of these belongs to this vendor.

MA-M (28-bit, medium block)1 block
MA-S (36-bit, small block)3 blocks
Combined address space1,060,864 addresses

All Active Research Limited prefixes

70B3D56A0MA-S 8C1F640C0MA-S 8C1F645C5MA-S F8C9D64MA-M

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