Who owns MAC prefix 8C4DEA?

8C4DEA is registered to Cerio Corporation in the IEEE MA-L registry.

What devices use 8C4DEA?

Any network device with a MAC address starting 8C:4D:EA was manufactured by or for Cerio Corporation.

MA-L · OUI prefix

Cerio Corporation

Any MAC address starting 8C:4D:EA is registered to Cerio Corporation in TW.

OUI prefix	8C4DEA
Vendor	Cerio Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	8C:4D:EA:00:00:00

What this means

The IEEE assigned the MA-L block 8C4DEA to Cerio 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 8C:4D:EA, it is Cerio Corporation hardware.

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