What this means
The IEEE assigned the MA-M block 4C4BF9E to Beijing AutoAi 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 4C:4B:F9:E, it is Beijing AutoAi Technology co. LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 4C4BF9E?
4C4BF9E is registered to Beijing AutoAi 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. Beijing AutoAi Technology co. LTD's block covers 1,048,576 addresses.
What devices use 4C4BF9E?
Any network device with a MAC address starting 4C:4B:F9:E was manufactured by or for Beijing AutoAi Technology co. LTD.