What this means
The IEEE assigned the MA-M block 44D5F28 to CETC Avionics.L td. 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 44:D5:F2:8, it is CETC Avionics.L td hardware.
Frequently Asked Questions
Who owns MAC prefix 44D5F28?
44D5F28 is registered to CETC Avionics.L td 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. CETC Avionics.L td's block covers 1,048,576 addresses.
What devices use 44D5F28?
Any network device with a MAC address starting 44:D5:F2:8 was manufactured by or for CETC Avionics.L td.