Who owns MAC prefix 70B3D57A3?

70B3D57A3 is registered to Impulse Automation in the IEEE MA-S registry.

What devices use 70B3D57A3?

Any network device with a MAC address starting 70:B3:D5:7A:3 was manufactured by or for Impulse Automation.

MA-S · OUI prefix

Impulse Automation

Any MAC address starting 70:B3:D5:7A:3 is registered to Impulse Automation in RU.

OUI prefix	70B3D57A3
Vendor	Impulse Automation
Registry	MA-S (36-bit, small block)
Country	RU
Example MAC	70:B3:D5:7A:3:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D57A3 to Impulse Automation. 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:D5:7A:3, it is Impulse Automation hardware.

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