What this means

The IEEE assigned the MA-M block 144FD7B to Arkus-ST 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 14:4F:D7:B, it is Arkus-ST Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 144FD7B?

144FD7B is registered to Arkus-ST 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. Arkus-ST Ltd's block covers 1,048,576 addresses.

What devices use 144FD7B?

Any network device with a MAC address starting 14:4F:D7:B was manufactured by or for Arkus-ST Ltd.