What this means
The IEEE assigned the MA-M block FCD2B66 to Cirque Audio Technology Co.,Ltd. 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 FC:D2:B6:6, it is Cirque Audio Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix FCD2B66?
FCD2B66 is registered to Cirque Audio Technology Co.,Ltd 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. Cirque Audio Technology Co.,Ltd's block covers 1,048,576 addresses.
What devices use FCD2B66?
Any network device with a MAC address starting FC:D2:B6:6 was manufactured by or for Cirque Audio Technology Co.,Ltd.