What this means
The IEEE assigned the MA-L block 40AA56 to China Dragon Technology 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 40:AA:56, it is China Dragon Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 40AA56?
40AA56 is registered to China Dragon Technology 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. China Dragon Technology Limited's block covers 16,777,216 addresses.
What devices use 40AA56?
Any network device with a MAC address starting 40:AA:56 was manufactured by or for China Dragon Technology Limited.