Who owns MAC prefix 8C5CA1?

8C5CA1 is registered to d-broad,INC in the IEEE MA-L registry.

What devices use 8C5CA1?

Any network device with a MAC address starting 8C:5C:A1 was manufactured by or for d-broad,INC.

MA-L · OUI prefix

d-broad,INC

Any MAC address starting 8C:5C:A1 is registered to d-broad,INC in JP.

OUI prefix	8C5CA1
Vendor	d-broad,INC
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	8C:5C:A1:00:00:00

What this means

The IEEE assigned the MA-L block 8C5CA1 to d-broad,INC. 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:5C:A1, it is d-broad,INC hardware.

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