What this means
The IEEE assigned the MA-L block DC6B12 to worldcns inc.. 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:6B:12, it is worldcns inc. hardware.
Frequently Asked Questions
Who owns MAC prefix DC6B12?
DC6B12 is registered to worldcns inc. 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. worldcns inc.'s block covers 16,777,216 addresses.
What devices use DC6B12?
Any network device with a MAC address starting DC:6B:12 was manufactured by or for worldcns inc..