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MAC prefix 6C:3B:6B

Assigned by the IEEE to Routerboard.com.

Prefix
6C:3B:6B   6C-3B-6B   6C3B.6B
Block type
MA-L (16,777,216 addresses)
Address range
6C:3B:6B:00:00:00 – 6C:3B:6B:FF:FF:FF
Organization
Routerboard.com
Registered address
Mikrotikls SIA, Riga Riga LV1009, LV
Country
Latvia (LV)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 6C:3B:6B:00:00:00

Routerboard.com holds 18 blocks in total: see all. Source: IEEE Registration Authority public listing.