What this means
The IEEE assigned the MA-L block 2066FD to CONSTELL8 NV. 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:FD, it is CONSTELL8 NV hardware.
Frequently Asked Questions
Who owns MAC prefix 2066FD?
2066FD is registered to CONSTELL8 NV 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. CONSTELL8 NV's block covers 16,777,216 addresses.
What devices use 2066FD?
Any network device with a MAC address starting 20:66:FD was manufactured by or for CONSTELL8 NV.