What this means
The IEEE assigned the MA-M block F040AFD to Proemion GmbH. 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 F0:40:AF:D, it is Proemion GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix F040AFD?
F040AFD is registered to Proemion GmbH 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. Proemion GmbH's block covers 1,048,576 addresses.
What devices use F040AFD?
Any network device with a MAC address starting F0:40:AF:D was manufactured by or for Proemion GmbH.