What this means
The IEEE assigned the MA-L block F85128 to SimpliSafe. 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 F8:51:28, it is SimpliSafe hardware.
Frequently Asked Questions
Who owns MAC prefix F85128?
F85128 is registered to SimpliSafe 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. SimpliSafe's block covers 16,777,216 addresses.
What devices use F85128?
Any network device with a MAC address starting F8:51:28 was manufactured by or for SimpliSafe.