What this means
The IEEE assigned the MA-L block ACACE2 to CHANGHONG (HONGKONG) TRADING LIMITED. 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:AC:E2, it is CHANGHONG (HONGKONG) TRADING LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix ACACE2?
ACACE2 is registered to CHANGHONG (HONGKONG) TRADING LIMITED 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. CHANGHONG (HONGKONG) TRADING LIMITED's block covers 16,777,216 addresses.
What devices use ACACE2?
Any network device with a MAC address starting AC:AC:E2 was manufactured by or for CHANGHONG (HONGKONG) TRADING LIMITED.