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.
Frequently Asked Questions
Who owns MAC prefix 5C0BCA?
5C0BCA is registered to Tunstall Nordic AB in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Tunstall Nordic AB's block covers 16,777,216 addresses.
What devices use 5C0BCA?
Any network device with a MAC address starting 5C:0B:CA was manufactured by or for Tunstall Nordic AB.