Who owns MAC prefix 70B3D5E91?

70B3D5E91 is registered to NAS Australia P/L in the IEEE MA-S registry.

What devices use 70B3D5E91?

Any network device with a MAC address starting 70:B3:D5:E9:1 was manufactured by or for NAS Australia P/L.

MA-S · OUI prefix

NAS Australia P/L

Any MAC address starting 70:B3:D5:E9:1 is registered to NAS Australia P/L in AU.

OUI prefix	70B3D5E91
Vendor	NAS Australia P/L
Registry	MA-S (36-bit, small block)
Country	AU
Example MAC	70:B3:D5:E9:1:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5E91 to NAS Australia P/L. 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:E9:1, it is NAS Australia P/L hardware.

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