What this means
The IEEE assigned the MA-L block 001664 to Prod-El SpA. 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 00:16:64, it is Prod-El SpA hardware.
Frequently Asked Questions
Who owns MAC prefix 001664?
001664 is registered to Prod-El SpA 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. Prod-El SpA's block covers 16,777,216 addresses.
What devices use 001664?
Any network device with a MAC address starting 00:16:64 was manufactured by or for Prod-El SpA.