Who owns MAC prefix A44AD3?

A44AD3 is registered to ST Electronics(Shanghai) Co.,Ltd in the IEEE MA-L registry.

What devices use A44AD3?

Any network device with a MAC address starting A4:4A:D3 was manufactured by or for ST Electronics(Shanghai) Co.,Ltd.

MA-L · OUI prefix

ST Electronics(Shanghai) Co.,Ltd

Any MAC address starting A4:4A:D3 is registered to ST Electronics(Shanghai) Co.,Ltd in CN.

OUI prefix	A44AD3
Vendor	ST Electronics(Shanghai) Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	A4:4A:D3:00:00:00

What this means

The IEEE assigned the MA-L block A44AD3 to ST Electronics(Shanghai) 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 A4:4A:D3, it is ST Electronics(Shanghai) Co.,Ltd hardware.

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