What this means
The IEEE assigned the MA-L block 28E476 to Pi-Coral. 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 28:E4:76, it is Pi-Coral hardware.
Frequently Asked Questions
Who owns MAC prefix 28E476?
28E476 is registered to Pi-Coral 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. Pi-Coral's block covers 16,777,216 addresses.
What devices use 28E476?
Any network device with a MAC address starting 28:E4:76 was manufactured by or for Pi-Coral.