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MAC prefix B0:1F:81

Assigned by the IEEE to IEEE Registration Authority.

Prefix
B0:1F:81   B0-1F-81   B01F.81
Block type
MA-L (16,777,216 addresses)
Address range
B0:1F:81:00:00:00 – B0:1F:81:FF:FF:FF
Organization
IEEE Registration Authority
Registered address
445 Hoes Lane, Piscataway NJ 08554, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up B0:1F:81:00:00:00

IEEE Registration Authority holds 337 blocks in total: see all. Source: IEEE Registration Authority public listing.