What this means
The IEEE assigned the MA-L block DCEE14 to ADT Technology. 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 DC:EE:14, it is ADT Technology hardware.
Frequently Asked Questions
Who owns MAC prefix DCEE14?
DCEE14 is registered to ADT Technology 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. ADT Technology's block covers 16,777,216 addresses.
What devices use DCEE14?
Any network device with a MAC address starting DC:EE:14 was manufactured by or for ADT Technology.