1 registered blocks

TOLLGRADE COMMUNICATIONS, INC. MAC Addresses

All OUI prefixes assigned to TOLLGRADE COMMUNICATIONS, INC. by the IEEE. Any device MAC beginning with one of these belongs to this vendor.

MA-L (24-bit, large block)1 block
Combined address space16,777,216 addresses

All TOLLGRADE COMMUNICATIONS, INC. prefixes

00103FMA-L

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