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MAC prefix 28:CB:EB

Assigned by the IEEE to One.

Prefix
28:CB:EB   28-CB-EB   28CB.EB
Block type
MA-L (16,777,216 addresses)
Address range
28:CB:EB:00:00:00 – 28:CB:EB:FF:FF:FF
Organization
One
Registered address
Mechelsesteenweg 326, Edegem Antwerpen 2650, BE
Country
Belgium (BE)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 28:CB:EB:00:00:00

One holds 1 block in total: see all. Source: IEEE Registration Authority public listing.