What this means
The IEEE assigned the MA-L block 6C1811 to Decatur Electronics. 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 6C:18:11, it is Decatur Electronics hardware.
Frequently Asked Questions
Who owns MAC prefix 6C1811?
6C1811 is registered to Decatur Electronics 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. Decatur Electronics's block covers 16,777,216 addresses.
What devices use 6C1811?
Any network device with a MAC address starting 6C:18:11 was manufactured by or for Decatur Electronics.