What this means
The IEEE assigned the MA-M block 1CC0E13 to HANGZHOU SOFTEL OPTIC 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 1C:C0:E1:3, it is HANGZHOU SOFTEL OPTIC CO., LTD hardware.