What this means

The IEEE assigned the MA-L block 482AE3 to Wistron InfoComm(Kunshan)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 48:2A:E3, it is Wistron InfoComm(Kunshan)Co.,Ltd. hardware.