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MAC prefix B4:DB:91

Assigned by the IEEE to CELESTICA INC..

Prefix
B4:DB:91   B4-DB-91   B4DB.91
Block type
MA-L (16,777,216 addresses)
Address range
B4:DB:91:00:00:00 – B4:DB:91:FF:FF:FF
Organization
CELESTICA INC.
Registered address
1900-5140 Yonge Street PO Box 42, Toronto Ontario M2N 6L7, CA
Country
Canada (CA)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up B4:DB:91:00:00:00

CELESTICA INC. holds 5 blocks in total: see all. Source: IEEE Registration Authority public listing.