What this means
The IEEE assigned the MA-L block 5C83CD to New platforms. 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:83:CD, it is New platforms hardware.
Frequently Asked Questions
Who owns MAC prefix 5C83CD?
5C83CD is registered to New platforms 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. New platforms's block covers 16,777,216 addresses.
What devices use 5C83CD?
Any network device with a MAC address starting 5C:83:CD was manufactured by or for New platforms.