What this means
The IEEE assigned the MA-L block 04B97D to AiVIS Co., Itd.. 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 04:B9:7D, it is AiVIS Co., Itd. hardware.
Frequently Asked Questions
Who owns MAC prefix 04B97D?
04B97D is registered to AiVIS Co., Itd. 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. AiVIS Co., Itd.'s block covers 16,777,216 addresses.
What devices use 04B97D?
Any network device with a MAC address starting 04:B9:7D was manufactured by or for AiVIS Co., Itd..