What this means
The IEEE assigned the MA-L block 541FD5 to Advantage Electronics. 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 54:1F:D5, it is Advantage Electronics hardware.
Frequently Asked Questions
Who owns MAC prefix 541FD5?
541FD5 is registered to Advantage Electronics 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. Advantage Electronics's block covers 16,777,216 addresses.
What devices use 541FD5?
Any network device with a MAC address starting 54:1F:D5 was manufactured by or for Advantage Electronics.