What this means
The IEEE assigned the MA-M block 144FD78 to NPort Networks Inc.,. 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:D7:8, it is NPort Networks Inc., hardware.
Frequently Asked Questions
Who owns MAC prefix 144FD78?
144FD78 is registered to NPort Networks Inc., 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. NPort Networks Inc.,'s block covers 1,048,576 addresses.
What devices use 144FD78?
Any network device with a MAC address starting 14:4F:D7:8 was manufactured by or for NPort Networks Inc.,.