Who owns MAC prefix 28CBEB?

28CBEB is registered to One in the IEEE MA-L registry.

What devices use 28CBEB?

Any network device with a MAC address starting 28:CB:EB was manufactured by or for One.

MA-L · OUI prefix

One

Any MAC address starting 28:CB:EB is registered to One in BE.

OUI prefix	28CBEB
Vendor	One
Registry	MA-L (24-bit, large block)
Country	BE
Example MAC	28:CB:EB:00:00:00

What this means

The IEEE assigned the MA-L block 28CBEB to One. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 28:CB:EB, it is One hardware.

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