What this means
The IEEE assigned the MA-M block F4A4547 to Advanced Mechanical Technology, Inc. d/b/a AMTI. 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 F4:A4:54:7, it is Advanced Mechanical Technology, Inc. d/b/a AMTI hardware.
Frequently Asked Questions
Who owns MAC prefix F4A4547?
F4A4547 is registered to Advanced Mechanical Technology, Inc. d/b/a AMTI 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. Advanced Mechanical Technology, Inc. d/b/a AMTI's block covers 1,048,576 addresses.
What devices use F4A4547?
Any network device with a MAC address starting F4:A4:54:7 was manufactured by or for Advanced Mechanical Technology, Inc. d/b/a AMTI.