What this means
The IEEE assigned the MA-L block AC5D10 to Pace Americas. 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:5D:10, it is Pace Americas hardware.
Frequently Asked Questions
Who owns MAC prefix AC5D10?
AC5D10 is registered to Pace Americas 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. Pace Americas's block covers 16,777,216 addresses.
What devices use AC5D10?
Any network device with a MAC address starting AC:5D:10 was manufactured by or for Pace Americas.