What this means
The IEEE assigned the MA-M block B8F453D to Withusnet 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 B8:F4:53:D, it is Withusnet Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix B8F453D?
B8F453D is registered to Withusnet 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. Withusnet Co., Ltd's block covers 1,048,576 addresses.
What devices use B8F453D?
Any network device with a MAC address starting B8:F4:53:D was manufactured by or for Withusnet Co., Ltd.