What this means
The IEEE assigned the MA-L block 9C1C6D to HEFEI DATANG STORAGE 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 9C:1C:6D, it is HEFEI DATANG STORAGE TECHNOLOGY CO.,LTD hardware.