What this means
The IEEE assigned the MA-L block DC1EA3 to Accensus 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:1E:A3, it is Accensus LLC hardware.
Frequently Asked Questions
Who owns MAC prefix DC1EA3?
DC1EA3 is registered to Accensus 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. Accensus LLC's block covers 16,777,216 addresses.
What devices use DC1EA3?
Any network device with a MAC address starting DC:1E:A3 was manufactured by or for Accensus LLC.