What this means

The IEEE assigned the MA-M block 4C65A89 to SHENZHEN LISAIER TRONICS 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 4C:65:A8:9, it is SHENZHEN LISAIER TRONICS CO.,LTD hardware.