What this means
The IEEE assigned the MA-L block CCCD64 to SM-Electronic GmbH. 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:CD:64, it is SM-Electronic GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix CCCD64?
CCCD64 is registered to SM-Electronic GmbH 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. SM-Electronic GmbH's block covers 16,777,216 addresses.
What devices use CCCD64?
Any network device with a MAC address starting CC:CD:64 was manufactured by or for SM-Electronic GmbH.