What this means

The IEEE assigned the MA-M block 04A16F2 to Suzhou Lianshichuangzhi 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 04:A1:6F:2, it is Suzhou Lianshichuangzhi Technology Co.,Ltd hardware.