Who owns MAC prefix 70B3D5045?

70B3D5045 is registered to Navaero Avionics AB in the IEEE MA-S registry.

What devices use 70B3D5045?

Any network device with a MAC address starting 70:B3:D5:04:5 was manufactured by or for Navaero Avionics AB.

MA-S · OUI prefix

Navaero Avionics AB

Any MAC address starting 70:B3:D5:04:5 is registered to Navaero Avionics AB in SE.

OUI prefix	70B3D5045
Vendor	Navaero Avionics AB
Registry	MA-S (36-bit, small block)
Country	SE
Example MAC	70:B3:D5:04:5:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5045 to Navaero Avionics AB. 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:D5:04:5, it is Navaero Avionics AB hardware.

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