What this means
The IEEE assigned the MA-L block AC44F2 to YAMAHA CORPORATION. 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 AC:44:F2, it is YAMAHA CORPORATION hardware.
Frequently Asked Questions
Who owns MAC prefix AC44F2?
AC44F2 is registered to YAMAHA CORPORATION 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. YAMAHA CORPORATION's block covers 16,777,216 addresses.
What devices use AC44F2?
Any network device with a MAC address starting AC:44:F2 was manufactured by or for YAMAHA CORPORATION.