What this means
The IEEE assigned the MA-L block 204B22 to Sunnovo International 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 20:4B:22, it is Sunnovo International Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 204B22?
204B22 is registered to Sunnovo International 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. Sunnovo International Limited's block covers 16,777,216 addresses.
What devices use 204B22?
Any network device with a MAC address starting 20:4B:22 was manufactured by or for Sunnovo International Limited.