Who owns MAC prefix 00C0CA?

00C0CA is registered to ALFA, INC. in the IEEE MA-L registry.

What devices use 00C0CA?

Any network device with a MAC address starting 00:C0:CA was manufactured by or for ALFA, INC..

MA-L · OUI prefix

ALFA, INC.

Any MAC address starting 00:C0:CA is registered to ALFA, INC. in TW.

OUI prefix	00C0CA
Vendor	ALFA, INC.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:C0:CA:00:00:00

What this means

The IEEE assigned the MA-L block 00C0CA to ALFA, 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 00:C0:CA, it is ALFA, INC. hardware.

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