What this means
The IEEE assigned the MA-L block DC3CF6 to Atomic Rules LLC. 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:3C:F6, it is Atomic Rules LLC hardware.
Frequently Asked Questions
Who owns MAC prefix DC3CF6?
DC3CF6 is registered to Atomic Rules LLC 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. Atomic Rules LLC's block covers 16,777,216 addresses.
What devices use DC3CF6?
Any network device with a MAC address starting DC:3C:F6 was manufactured by or for Atomic Rules LLC.