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MAC prefix 00:40:A3

Assigned by the IEEE to MICROUNITY SYSTEMS ENGINEERING.

Prefix
00:40:A3   00-40-A3   0040.A3
Block type
MA-L (16,777,216 addresses)
Address range
00:40:A3:00:00:00 – 00:40:A3:FF:FF:FF
Organization
MICROUNITY SYSTEMS ENGINEERING
Registered address
255 CASPIAN DRIVE, SUNNYVALE CA 94089-1015, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:A3:00:00:00

MICROUNITY SYSTEMS ENGINEERING holds 1 block in total: see all. Source: IEEE Registration Authority public listing.