What this means
The IEEE assigned the MA-M block A43BFA5 to BOI Solutions. 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:5, it is BOI Solutions hardware.
Frequently Asked Questions
Who owns MAC prefix A43BFA5?
A43BFA5 is registered to BOI Solutions 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. BOI Solutions's block covers 1,048,576 addresses.
What devices use A43BFA5?
Any network device with a MAC address starting A4:3B:FA:5 was manufactured by or for BOI Solutions.