What this means
The IEEE assigned the MA-L block BC8AE8 to QING DAO HAIER TELECOM 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 BC:8A:E8, it is QING DAO HAIER TELECOM CO.,LTD. hardware.