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MAC prefix 00:00:6B

Assigned by the IEEE to Silicon Graphics.

Prefix
00:00:6B   00-00-6B   0000.6B
Block type
MA-L (16,777,216 addresses)
Address range
00:00:6B:00:00:00 – 00:00:6B:FF:FF:FF
Organization
Silicon Graphics
Registered address
2011 NORTH SHORELINE BLVD., MOUNTAIN VIEW CA 94039-7311, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:00:6B:00:00:00

Silicon Graphics holds 2 blocks in total: see all. Source: IEEE Registration Authority public listing.