What this means
The IEEE assigned the MA-S block 70B3D57ED to The Things Network Foundation. 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:D5:7E:D, it is The Things Network Foundation hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D57ED?
70B3D57ED is registered to The Things Network Foundation 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 Things Network Foundation's block covers 4,096 addresses.
What devices use 70B3D57ED?
Any network device with a MAC address starting 70:B3:D5:7E:D was manufactured by or for The Things Network Foundation.