Who owns MAC prefix 70AF25?

70AF25 is registered to Nishiyama Industry Co.,LTD. in the IEEE MA-L registry.

What devices use 70AF25?

Any network device with a MAC address starting 70:AF:25 was manufactured by or for Nishiyama Industry Co.,LTD..

MA-L · OUI prefix

Nishiyama Industry Co.,LTD.

Any MAC address starting 70:AF:25 is registered to Nishiyama Industry Co.,LTD. in JP.

OUI prefix	70AF25
Vendor	Nishiyama Industry Co.,LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	70:AF:25:00:00:00

What this means

The IEEE assigned the MA-L block 70AF25 to Nishiyama Industry 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 70:AF:25, it is Nishiyama Industry Co.,LTD. hardware.

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