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MAC Address LookupMAC Lookup

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Puerto Rico

Puerto Rico

3 registered organizations holding 5 address blocks, ranked by how many blocks each owns.

Avant Technologies4
Innovation, Institute, Inc2
Commoca, Inc1

MAC Address Lookup

Look up the manufacturer behind any MAC address. Built from the IEEE Registration Authority public registries.

Assignments: 58,666
Organizations: 34,138
Updated: October 27, 2026

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© 2026 MAC Address Lookup. Registry data is published by the IEEE.

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