What this means

The IEEE assigned the MA-M block A43BFAD to JSC “Component-ASU”. 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 A4:3B:FA:D, it is JSC “Component-ASU” hardware.

Frequently Asked Questions

Who owns MAC prefix A43BFAD?

A43BFAD is registered to JSC “Component-ASU” in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. JSC “Component-ASU”'s block covers 1,048,576 addresses.

What devices use A43BFAD?

Any network device with a MAC address starting A4:3B:FA:D was manufactured by or for JSC “Component-ASU”.