Who owns MAC prefix 70B3D582F?

70B3D582F is registered to SIANA Systems in the IEEE MA-S registry.

What devices use 70B3D582F?

Any network device with a MAC address starting 70:B3:D5:82:F was manufactured by or for SIANA Systems.

MA-S · OUI prefix

SIANA Systems

Any MAC address starting 70:B3:D5:82:F is registered to SIANA Systems in US.

OUI prefix	70B3D582F
Vendor	SIANA Systems
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:82:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D582F to SIANA Systems. 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:D5:82:F, it is SIANA Systems hardware.

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