Who owns MAC prefix 70B3D55AF?

70B3D55AF is registered to JENG IoT BV in the IEEE MA-S registry.

What devices use 70B3D55AF?

Any network device with a MAC address starting 70:B3:D5:5A:F was manufactured by or for JENG IoT BV.

MA-S · OUI prefix

JENG IoT BV

Any MAC address starting 70:B3:D5:5A:F is registered to JENG IoT BV in AZ.

OUI prefix	70B3D55AF
Vendor	JENG IoT BV
Registry	MA-S (36-bit, small block)
Country	AZ
Example MAC	70:B3:D5:5A:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D55AF to JENG IoT BV. 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:D5:5A:F, it is JENG IoT BV hardware.

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