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MAC prefix A4:56:1B

Assigned by the IEEE to MCOT Corporation.

Prefix
A4:56:1B   A4-56-1B   A456.1B
Block type
MA-L (16,777,216 addresses)
Address range
A4:56:1B:00:00:00 – A4:56:1B:FF:FF:FF
Organization
MCOT Corporation
Registered address
Yogohigashi 1-5-12, Matsuyama city Ehime prefecture 790-0044, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up A4:56:1B:00:00:00

MCOT INC. holds 3 blocks in total: see all. Source: IEEE Registration Authority public listing.