What this means
The IEEE assigned the MA-M block 144FD75 to FLS FINLAND OY. 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 14:4F:D7:5, it is FLS FINLAND OY hardware.
Frequently Asked Questions
Who owns MAC prefix 144FD75?
144FD75 is registered to FLS FINLAND OY 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. FLS FINLAND OY's block covers 1,048,576 addresses.
What devices use 144FD75?
Any network device with a MAC address starting 14:4F:D7:5 was manufactured by or for FLS FINLAND OY.