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MAC prefix F4:AA:D0

Assigned by the IEEE to OHSUNG.

Prefix
F4:AA:D0   F4-AA-D0   F4AA.D0
Block type
MA-L (16,777,216 addresses)
Address range
F4:AA:D0:00:00:00 – F4:AA:D0:FF:FF:FF
Organization
OHSUNG
Registered address
335-4,SANHODAERO,GUMI,GYEONG BUK,KOREA, GUMI GYEONG BUK 730-030, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up F4:AA:D0:00:00:00

OHSUNG holds 11 blocks in total: see all. Source: IEEE Registration Authority public listing.