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.
Frequently Asked Questions
Who owns MAC prefix 70B3D5A31?
70B3D5A31 is registered to Wise Ally Holdings Limited in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Wise Ally Holdings Limited's block covers 4,096 addresses.
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.