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MAC prefix D4:5C:70

Assigned by the IEEE to Wi-Fi Alliance.

Prefix
D4:5C:70   D4-5C-70   D45C.70
Block type
MA-L (16,777,216 addresses)
Address range
D4:5C:70:00:00:00 – D4:5C:70:FF:FF:FF
Organization
Wi-Fi Alliance
Registered address
10900-B Stonelake Boulevard, Austin TX 78759, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up D4:5C:70:00:00:00

Wi-Fi Alliance holds 2 blocks in total: see all. Source: IEEE Registration Authority public listing.