5 registered blocks

Preston Industries dba PolyScience MAC Addresses

All OUI prefixes assigned to Preston Industries dba PolyScience by the IEEE. Any device MAC beginning with one of these belongs to this vendor.

MA-S (36-bit, small block)5 blocks
Combined address space20,480 addresses

All Preston Industries dba PolyScience prefixes

70B3D53B5MA-S 70B3D59EBMA-S 70B3D5F82MA-S 8C1F64975MA-S 8C1F64F05MA-S

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