What this means

The IEEE assigned the MA-L block 500B32 to Foxda Technology Industrial(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 50:0B:32, it is Foxda Technology Industrial(ShenZhen)Co.,LTD hardware.