What this means

The IEEE assigned the MA-L block A4BF01 to Intel Corporate. 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:BF:01, it is Intel Corporate hardware.

Frequently Asked Questions

Who owns MAC prefix A4BF01?

A4BF01 is registered to Intel Corporate in the IEEE MA-L registry.

What does the MA-L registry type mean?

An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Intel Corporate's block covers 16,777,216 addresses.

What devices use A4BF01?

Any network device with a MAC address starting A4:BF:01 was manufactured by or for Intel Corporate.