What this means
The IEEE assigned the MA-M block CC39531 to Viatek. 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 CC:39:53:1, it is Viatek hardware.
Frequently Asked Questions
Who owns MAC prefix CC39531?
CC39531 is registered to Viatek in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Viatek's block covers 1,048,576 addresses.
What devices use CC39531?
Any network device with a MAC address starting CC:39:53:1 was manufactured by or for Viatek.