What this means
The IEEE assigned the MA-S block 70B3D5831 to Arnouse Digital Devices Corp. 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:D5:83:1, it is Arnouse Digital Devices Corp hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5831?
70B3D5831 is registered to Arnouse Digital Devices Corp 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. Arnouse Digital Devices Corp's block covers 4,096 addresses.
What devices use 70B3D5831?
Any network device with a MAC address starting 70:B3:D5:83:1 was manufactured by or for Arnouse Digital Devices Corp.