Who owns MAC prefix 5C0BCA?

5C0BCA is registered to Tunstall Nordic AB in the IEEE MA-L registry.

What devices use 5C0BCA?

Any network device with a MAC address starting 5C:0B:CA was manufactured by or for Tunstall Nordic AB.

MA-L · OUI prefix

Tunstall Nordic AB

Any MAC address starting 5C:0B:CA is registered to Tunstall Nordic AB in SE.

OUI prefix	5C0BCA
Vendor	Tunstall Nordic AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	5C:0B:CA:00:00:00

What this means

The IEEE assigned the MA-L block 5C0BCA to Tunstall Nordic AB. 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 5C:0B:CA, it is Tunstall Nordic AB hardware.

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