Who owns MAC prefix 70B3D53CF?

70B3D53CF is registered to Systems Engineering Arts Pty Ltd in the IEEE MA-S registry.

What devices use 70B3D53CF?

Any network device with a MAC address starting 70:B3:D5:3C:F was manufactured by or for Systems Engineering Arts Pty Ltd.

MA-S · OUI prefix

Systems Engineering Arts Pty Ltd

Any MAC address starting 70:B3:D5:3C:F is registered to Systems Engineering Arts Pty Ltd in AU.

OUI prefix	70B3D53CF
Vendor	Systems Engineering Arts Pty Ltd
Registry	MA-S (36-bit, small block)
Country	AU
Example MAC	70:B3:D5:3C:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D53CF to Systems Engineering Arts Pty Ltd. 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:D5:3C:F, it is Systems Engineering Arts Pty Ltd hardware.

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