What this means
The IEEE assigned the MA-L block 0409A5 to HFR, Inc.. 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 04:09:A5, it is HFR, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0409A5?
0409A5 is registered to HFR, Inc. 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. HFR, Inc.'s block covers 16,777,216 addresses.
What devices use 0409A5?
Any network device with a MAC address starting 04:09:A5 was manufactured by or for HFR, Inc..