What this means

The IEEE assigned the MA-M block 3C24F00 to SHENZHEN PINSIDA 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 3C:24:F0:0, it is SHENZHEN PINSIDA TECHNOLOGY CO.,LTD. hardware.