Who owns MAC prefix 280C28?

280C28 is registered to Unigen DataStorage Corporation in the IEEE MA-L registry.

What devices use 280C28?

Any network device with a MAC address starting 28:0C:28 was manufactured by or for Unigen DataStorage Corporation.

MA-L · OUI prefix

Unigen DataStorage Corporation

Any MAC address starting 28:0C:28 is registered to Unigen DataStorage Corporation in TW.

OUI prefix	280C28
Vendor	Unigen DataStorage Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	28:0C:28:00:00:00

What this means

The IEEE assigned the MA-L block 280C28 to Unigen DataStorage Corporation. 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 28:0C:28, it is Unigen DataStorage Corporation hardware.

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