What this means
The IEEE assigned the MA-L block CCC104 to Applied Technical Systems. 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:C1:04, it is Applied Technical Systems hardware.
Frequently Asked Questions
Who owns MAC prefix CCC104?
CCC104 is registered to Applied Technical Systems 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. Applied Technical Systems's block covers 16,777,216 addresses.
What devices use CCC104?
Any network device with a MAC address starting CC:C1:04 was manufactured by or for Applied Technical Systems.