Who owns MAC prefix 70B3D59FD?

70B3D59FD is registered to amakidenki in the IEEE MA-S registry.

What devices use 70B3D59FD?

Any network device with a MAC address starting 70:B3:D5:9F:D was manufactured by or for amakidenki.

MA-S · OUI prefix

amakidenki

Any MAC address starting 70:B3:D5:9F:D is registered to amakidenki in JP.

OUI prefix	70B3D59FD
Vendor	amakidenki
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:9F:D:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D59FD to amakidenki. 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:B3:D5:9F:D, it is amakidenki hardware.

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