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MAC prefix 00:CB:00

Assigned by the IEEE to Private.

Prefix
00:CB:00   00-CB-00   00CB.00
Block type
MA-L (16,777,216 addresses)
Address range
00:CB:00:00:00:00 – 00:CB:00:FF:FF:FF
Organization
Private
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:CB:00:00:00:00

Private holds 88 blocks in total: see all. Source: IEEE Registration Authority public listing.