What this means
The IEEE assigned the MA-M block E05A9FA to Contemporary Amperex Technology Co., 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 E0:5A:9F:A, it is Contemporary Amperex Technology Co., Limited hardware.
Frequently Asked Questions
Who owns MAC prefix E05A9FA?
E05A9FA is registered to Contemporary Amperex Technology Co., Limited 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. Contemporary Amperex Technology Co., Limited's block covers 1,048,576 addresses.
What devices use E05A9FA?
Any network device with a MAC address starting E0:5A:9F:A was manufactured by or for Contemporary Amperex Technology Co., Limited.