Nordic Automation Systems AS - MAC Prefix 70B3D5B02 (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D5B02 to Nordic Automation Systems AS. 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:B0:2, it is Nordic Automation Systems AS hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D5B02?

70B3D5B02 is registered to Nordic Automation Systems AS 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. Nordic Automation Systems AS's block covers 4,096 addresses.

What devices use 70B3D5B02?

Any network device with a MAC address starting 70:B3:D5:B0:2 was manufactured by or for Nordic Automation Systems AS.

OUI prefix	70B3D5B02
Vendor	Nordic Automation Systems AS
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	NO
Other blocks by this vendor	1 total
Example MAC	70:B3:D5:B0:2:00:00:00