What this means

The IEEE assigned the MA-S block 8C1F64E3C to Finotex Electronic Solutions PVT 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 8C:1F:64:E3:C, it is Finotex Electronic Solutions PVT LTD hardware.