What devices use 6C4780B?

Any network device with a MAC address starting 6C:47:80:B was manufactured by or for CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA.

MA-M · OUI prefix

CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA

Q: Who owns MAC prefix 6C4780B?

6C4780B is registered to CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA in the IEEE MA-M registry.

Any MAC address starting 6C:47:80:B is registered to CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA in BR.

OUI prefix	6C4780B
Vendor	CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA
Registry	MA-M (28-bit, medium block)
Country	BR
Example MAC	6C:47:80:B:00:00:00

What this means

The IEEE assigned the MA-M block 6C4780B to CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA. 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 6C:47:80:B, it is CARDIO SISTEMAS COMERCIAL E INDUSTRIAL LTDA hardware.

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