What this means

The IEEE assigned the MA-M block 40F3859 to Fast Precision Technologies 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:F3:85:9, it is Fast Precision Technologies Co. Ltd. hardware.

Frequently Asked Questions

Who owns MAC prefix 40F3859?

40F3859 is registered to Fast Precision Technologies 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. Fast Precision Technologies Co. Ltd.'s block covers 1,048,576 addresses.

What devices use 40F3859?

Any network device with a MAC address starting 40:F3:85:9 was manufactured by or for Fast Precision Technologies Co. Ltd..