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MAC prefix 00:40:A6

Assigned by the IEEE to Cray, Inc..

Prefix
00:40:A6   00-40-A6   0040.A6
Block type
MA-L (16,777,216 addresses)
Address range
00:40:A6:00:00:00 – 00:40:A6:FF:FF:FF
Organization
Cray, Inc.
Registered address
655F LONE OAK DRIVE, EAGAN MN 55121, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:A6:00:00:00

Cray Inc holds 2 blocks in total: see all. Source: IEEE Registration Authority public listing.