What this means
The IEEE assigned the MA-L block CCDC55 to Dragonchip 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 CC:DC:55, it is Dragonchip Limited hardware.
Frequently Asked Questions
Who owns MAC prefix CCDC55?
CCDC55 is registered to Dragonchip 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. Dragonchip Limited's block covers 16,777,216 addresses.
What devices use CCDC55?
Any network device with a MAC address starting CC:DC:55 was manufactured by or for Dragonchip Limited.