FREEBOX SAS - MAC Prefix 2066CF (MA-L)

What this means

The IEEE assigned the MA-L block 2066CF to FREEBOX SAS. 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 20:66:CF, it is FREEBOX SAS hardware.

Frequently Asked Questions

Who owns MAC prefix 2066CF?

2066CF is registered to FREEBOX SAS 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. FREEBOX SAS's block covers 16,777,216 addresses.

What devices use 2066CF?

Any network device with a MAC address starting 20:66:CF was manufactured by or for FREEBOX SAS.

Other FREEBOX SAS prefixes

FREEBOX SAS holds 13 registered blocks in total.

OUI prefix	2066CF
Vendor	FREEBOX SAS
Registry	MA-L (24-bit, large block)
Block size	16,777,216 addresses
Country	FR
Other blocks by this vendor	13 total
Example MAC	20:66:CF:00:00:00