What this means
The IEEE assigned the MA-L block 70B651 to Eight Sleep. 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 70:B6:51, it is Eight Sleep hardware.
Frequently Asked Questions
Who owns MAC prefix 70B651?
70B651 is registered to Eight Sleep 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. Eight Sleep's block covers 16,777,216 addresses.
What devices use 70B651?
Any network device with a MAC address starting 70:B6:51 was manufactured by or for Eight Sleep.