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MAC prefix 3C:B1:5B

Assigned by the IEEE to Avaya Inc.

Prefix
3C:B1:5B   3C-B1-5B   3CB1.5B
Block type
MA-L (16,777,216 addresses)
Address range
3C:B1:5B:00:00:00 – 3C:B1:5B:FF:FF:FF
Organization
Avaya Inc
Registered address
360 Mt Kemble Ave, Morristown NJ 07960, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 3C:B1:5B:00:00:00

Avaya Inc holds 52 blocks in total: see all. Source: IEEE Registration Authority public listing.