What this means
The IEEE assigned the MA-L block F09A51 to Shanghai Viroyal Electronic Technology Company Limited. 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 F0:9A:51, it is Shanghai Viroyal Electronic Technology Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix F09A51?
F09A51 is registered to Shanghai Viroyal Electronic Technology Company Limited 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. Shanghai Viroyal Electronic Technology Company Limited's block covers 16,777,216 addresses.
What devices use F09A51?
Any network device with a MAC address starting F0:9A:51 was manufactured by or for Shanghai Viroyal Electronic Technology Company Limited.