What this means
The IEEE assigned the MA-M block 40ED981 to GuangZhou FiiO Electronics 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 40:ED:98:1, it is GuangZhou FiiO Electronics Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 40ED981?
40ED981 is registered to GuangZhou FiiO Electronics 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. GuangZhou FiiO Electronics Technology Co.,Ltd's block covers 1,048,576 addresses.
What devices use 40ED981?
Any network device with a MAC address starting 40:ED:98:1 was manufactured by or for GuangZhou FiiO Electronics Technology Co.,Ltd.