What this means
The IEEE assigned the MA-L block 24ACAC to Polar Electro Oy. 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 24:AC:AC, it is Polar Electro Oy hardware.
Frequently Asked Questions
Who owns MAC prefix 24ACAC?
24ACAC is registered to Polar Electro Oy 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. Polar Electro Oy's block covers 16,777,216 addresses.
What devices use 24ACAC?
Any network device with a MAC address starting 24:AC:AC was manufactured by or for Polar Electro Oy.