What this means
The IEEE assigned the MA-L block 000F51 to Azul Systems, Inc.. 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 00:0F:51, it is Azul Systems, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 000F51?
000F51 is registered to Azul Systems, Inc. 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. Azul Systems, Inc.'s block covers 16,777,216 addresses.
What devices use 000F51?
Any network device with a MAC address starting 00:0F:51 was manufactured by or for Azul Systems, Inc..