What this means
The IEEE assigned the MA-L block AC7A4D to ALPSALPINE CO,.LTD. 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:7A:4D, it is ALPSALPINE CO,.LTD hardware.
Frequently Asked Questions
Who owns MAC prefix AC7A4D?
AC7A4D is registered to ALPSALPINE CO,.LTD 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. ALPSALPINE CO,.LTD's block covers 16,777,216 addresses.
What devices use AC7A4D?
Any network device with a MAC address starting AC:7A:4D was manufactured by or for ALPSALPINE CO,.LTD.