What this means
The IEEE assigned the MA-L block 20BB76 to COL GIOVANNI PAOLO 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 20:BB:76, it is COL GIOVANNI PAOLO SpA hardware.
Frequently Asked Questions
Who owns MAC prefix 20BB76?
20BB76 is registered to COL GIOVANNI PAOLO 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. COL GIOVANNI PAOLO SpA's block covers 16,777,216 addresses.
What devices use 20BB76?
Any network device with a MAC address starting 20:BB:76 was manufactured by or for COL GIOVANNI PAOLO SpA.