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MAC prefix 00:A0:66

Assigned by the IEEE to ISA CO., LTD..

Prefix
00:A0:66   00-A0-66   00A0.66
Block type
MA-L (16,777,216 addresses)
Address range
00:A0:66:00:00:00 – 00:A0:66:FF:FF:FF
Organization
ISA CO., LTD.
Registered address
SHINJUKU LAMBDAX BLDG. 5F.,
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:A0:66:00:00:00

ISA CO., LTD. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.