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MAC prefix 00:1B:BA

Assigned by the IEEE to Nortel Networks.

Prefix
00:1B:BA   00-1B-BA   001B.BA
Block type
MA-L (16,777,216 addresses)
Address range
00:1B:BA:00:00:00 – 00:1B:BA:FF:FF:FF
Organization
Nortel Networks
Registered address
8200 Dixie Rd, Brampton Ontario 0000, CA
Country
Canada (CA)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:1B:BA:00:00:00

Nortel Networks holds 68 blocks in total: see all. Source: IEEE Registration Authority public listing.