Who owns MAC prefix 744F80?

744F80 is registered to shenzhen Amos Electronics Co.,Ltd in the IEEE MA-L registry.

What devices use 744F80?

Any network device with a MAC address starting 74:4F:80 was manufactured by or for shenzhen Amos Electronics Co.,Ltd.

MA-L · OUI prefix

shenzhen Amos Electronics Co.,Ltd

Any MAC address starting 74:4F:80 is registered to shenzhen Amos Electronics Co.,Ltd in CN.

OUI prefix	744F80
Vendor	shenzhen Amos Electronics Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	74:4F:80:00:00:00

What this means

The IEEE assigned the MA-L block 744F80 to shenzhen Amos 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 74:4F:80, it is shenzhen Amos Electronics Co.,Ltd hardware.

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