Who owns MAC prefix 70B3D5A31?

70B3D5A31 is registered to Wise Ally Holdings Limited in the IEEE MA-S registry.

What devices use 70B3D5A31?

Any network device with a MAC address starting 70:B3:D5:A3:1 was manufactured by or for Wise Ally Holdings Limited.

MA-S · OUI prefix

Wise Ally Holdings Limited

Any MAC address starting 70:B3:D5:A3:1 is registered to Wise Ally Holdings Limited in HK.

OUI prefix	70B3D5A31
Vendor	Wise Ally Holdings Limited
Registry	MA-S (36-bit, small block)
Country	HK
Example MAC	70:B3:D5:A3:1:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5A31 to Wise Ally Holdings Limited. 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:A3:1, it is Wise Ally Holdings Limited hardware.

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