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MAC prefix B4:DD:15

Assigned by the IEEE to ControlThings Oy Ab.

Prefix
B4:DD:15   B4-DD-15   B4DD.15
Block type
MA-L (16,777,216 addresses)
Address range
B4:DD:15:00:00:00 – B4:DD:15:FF:FF:FF
Organization
ControlThings Oy Ab
Registered address
Werner Söderströmin katu 24, Porvoo Finland 06100, FI
Country
Finland (FI)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up B4:DD:15:00:00:00

ControlThings Oy Ab holds 1 block in total: see all. Source: IEEE Registration Authority public listing.