What this means
The IEEE assigned the MA-M block 144FD74 to Red Technology 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 14:4F:D7:4, it is Red Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 144FD74?
144FD74 is registered to Red Technology 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. Red Technology Limited's block covers 1,048,576 addresses.
What devices use 144FD74?
Any network device with a MAC address starting 14:4F:D7:4 was manufactured by or for Red Technology Limited.