Who owns MAC prefix 8005DF?

8005DF is registered to Montage Technology Group Limited in the IEEE MA-L registry.

What devices use 8005DF?

Any network device with a MAC address starting 80:05:DF was manufactured by or for Montage Technology Group Limited.

MA-L · OUI prefix

Montage Technology Group Limited

Any MAC address starting 80:05:DF is registered to Montage Technology Group Limited in CN.

OUI prefix	8005DF
Vendor	Montage Technology Group Limited
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	80:05:DF:00:00:00

What this means

The IEEE assigned the MA-L block 8005DF to Montage Technology Group Limited. 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 80:05:DF, it is Montage Technology Group Limited hardware.

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