What this means

The IEEE assigned the MA-S block 70B3D5F31 to The-Box Development. 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:F3:1, it is The-Box Development hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D5F31?

70B3D5F31 is registered to The-Box Development 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. The-Box Development's block covers 4,096 addresses.

What devices use 70B3D5F31?

Any network device with a MAC address starting 70:B3:D5:F3:1 was manufactured by or for The-Box Development.