What this means
The IEEE assigned the MA-L block E0A1D7 to SFR. 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 E0:A1:D7, it is SFR hardware.
Frequently Asked Questions
Who owns MAC prefix E0A1D7?
E0A1D7 is registered to SFR 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. SFR's block covers 16,777,216 addresses.
What devices use E0A1D7?
Any network device with a MAC address starting E0:A1:D7 was manufactured by or for SFR.