What devices use 780A57?

Any network device with a MAC address starting 78:0A:57 was manufactured by or for Shanghai Lightningsemi Technology Co.,Ltd..

MA-L · OUI prefix

Shanghai Lightningsemi Technology Co.,Ltd.

Q: Who owns MAC prefix 780A57?

780A57 is registered to Shanghai Lightningsemi Technology Co.,Ltd. in the IEEE MA-L registry.

Any MAC address starting 78:0A:57 is registered to Shanghai Lightningsemi Technology Co.,Ltd. in CN.

OUI prefix	780A57
Vendor	Shanghai Lightningsemi Technology Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	78:0A:57:00:00:00

What this means

The IEEE assigned the MA-L block 780A57 to Shanghai Lightningsemi Technology 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 78:0A:57, it is Shanghai Lightningsemi Technology Co.,Ltd. hardware.

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