What this means
The IEEE assigned the MA-M block F023B92 to Raysgem Electronics and Technology Co.Ltd. 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 F0:23:B9:2, it is Raysgem Electronics and Technology Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix F023B92?
F023B92 is registered to Raysgem Electronics and Technology Co.Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Raysgem Electronics and Technology Co.Ltd's block covers 1,048,576 addresses.
What devices use F023B92?
Any network device with a MAC address starting F0:23:B9:2 was manufactured by or for Raysgem Electronics and Technology Co.Ltd.