Who owns MAC prefix 40DF02?

40DF02 is registered to LINE BIZ Plus in the IEEE MA-L registry.

What devices use 40DF02?

Any network device with a MAC address starting 40:DF:02 was manufactured by or for LINE BIZ Plus.

MA-L · OUI prefix

LINE BIZ Plus

Any MAC address starting 40:DF:02 is registered to LINE BIZ Plus in KR.

OUI prefix	40DF02
Vendor	LINE BIZ Plus
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	40:DF:02:00:00:00

What this means

The IEEE assigned the MA-L block 40DF02 to LINE BIZ Plus. 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 40:DF:02, it is LINE BIZ Plus hardware.

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