Who owns MAC prefix 8C0CA3?

8C0CA3 is registered to Amper in the IEEE MA-L registry.

What devices use 8C0CA3?

Any network device with a MAC address starting 8C:0C:A3 was manufactured by or for Amper.

MA-L · OUI prefix

Amper

Any MAC address starting 8C:0C:A3 is registered to Amper in US.

OUI prefix	8C0CA3
Vendor	Amper
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	8C:0C:A3:00:00:00

What this means

The IEEE assigned the MA-L block 8C0CA3 to Amper. 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 8C:0C:A3, it is Amper hardware.

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