Who owns MAC prefix A43BFAD?

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

What devices use A43BFAD?

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

MA-M · OUI prefix

JSC “Component-ASU”

Any MAC address starting A4:3B:FA:D is registered to JSC “Component-ASU”.

OUI prefix	A43BFAD
Vendor	JSC “Component-ASU”
Registry	MA-M (28-bit, medium block)
Example MAC	A4:3B:FA:D:00:00:00

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.

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