Who owns MAC prefix 6431398?

6431398 is registered to Shenzhen Huanyin Electronics Ltd. in the IEEE MA-M registry.

What devices use 6431398?

Any network device with a MAC address starting 64:31:39:8 was manufactured by or for Shenzhen Huanyin Electronics Ltd..

MA-M · OUI prefix

Shenzhen Huanyin Electronics Ltd.

Any MAC address starting 64:31:39:8 is registered to Shenzhen Huanyin Electronics Ltd. in CN.

OUI prefix	6431398
Vendor	Shenzhen Huanyin Electronics Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	64:31:39:8:00:00:00

What this means

The IEEE assigned the MA-M block 6431398 to Shenzhen Huanyin Electronics 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 64:31:39:8, it is Shenzhen Huanyin Electronics Ltd. hardware.

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