What this means
The IEEE assigned the MA-M block E4956E6 to SHENZHEN JOYETECH ELECTRONICS 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 E4:95:6E:6, it is SHENZHEN JOYETECH ELECTRONICS CO., LTD. hardware.