What this means
The IEEE assigned the MA-L block 9C57BC to eero 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 9C:57:BC, it is eero inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 9C57BC?
9C57BC is registered to eero 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. eero inc.'s block covers 16,777,216 addresses.
What devices use 9C57BC?
Any network device with a MAC address starting 9C:57:BC was manufactured by or for eero inc..