Who owns MAC prefix 90203A?

90203A is registered to BYD Precision Manufacture Co.,Ltd in the IEEE MA-L registry.

What devices use 90203A?

Any network device with a MAC address starting 90:20:3A was manufactured by or for BYD Precision Manufacture Co.,Ltd.

MA-L · OUI prefix

BYD Precision Manufacture Co.,Ltd

Any MAC address starting 90:20:3A is registered to BYD Precision Manufacture Co.,Ltd in CN.

OUI prefix	90203A
Vendor	BYD Precision Manufacture Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	90:20:3A:00:00:00

What this means

The IEEE assigned the MA-L block 90203A to BYD Precision Manufacture 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 90:20:3A, it is BYD Precision Manufacture Co.,Ltd hardware.

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