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MAC prefix 00:16:5E

Assigned by the IEEE to Precision I/O.

Prefix
00:16:5E   00-16-5E   0016.5E
Block type
MA-L (16,777,216 addresses)
Address range
00:16:5E:00:00:00 – 00:16:5E:FF:FF:FF
Organization
Precision I/O
Registered address
4005 Miranda Ave., Suite 210, Palo Alto CA 94304-1232, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:16:5E:00:00:00

Precision I/O holds 1 block in total: see all. Source: IEEE Registration Authority public listing.