What this means
The IEEE assigned the MA-L block E8C1E8 to Shenzhen Xiao Bi En Culture Education 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 E8:C1:E8, it is Shenzhen Xiao Bi En Culture Education Technology Co.,Ltd. hardware.