What this means
The IEEE assigned the MA-L block 5CC6D0 to Skyworth Digital Technology(Shenzhen) 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 5C:C6:D0, it is Skyworth Digital Technology(Shenzhen) Co.,Ltd hardware.