What this means
The IEEE assigned the MA-L block 20FECD to System In Frontier 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 20:FE:CD, it is System In Frontier Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 20FECD?
20FECD is registered to System In Frontier 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. System In Frontier Inc.'s block covers 16,777,216 addresses.
What devices use 20FECD?
Any network device with a MAC address starting 20:FE:CD was manufactured by or for System In Frontier Inc..