Who owns MAC prefix 70B3D54DF?

70B3D54DF is registered to Nidec Avtron Automation Corp in the IEEE MA-S registry.

What devices use 70B3D54DF?

Any network device with a MAC address starting 70:B3:D5:4D:F was manufactured by or for Nidec Avtron Automation Corp.

MA-S · OUI prefix

Nidec Avtron Automation Corp

Any MAC address starting 70:B3:D5:4D:F is registered to Nidec Avtron Automation Corp in US.

OUI prefix	70B3D54DF
Vendor	Nidec Avtron Automation Corp
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:4D:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D54DF to Nidec Avtron Automation Corp. 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:D5:4D:F, it is Nidec Avtron Automation Corp hardware.

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