What this means
The IEEE assigned the MA-M block F040AF7 to Unionbell Technologies 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 F0:40:AF:7, it is Unionbell Technologies Limited hardware.
Frequently Asked Questions
Who owns MAC prefix F040AF7?
F040AF7 is registered to Unionbell Technologies 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. Unionbell Technologies Limited's block covers 1,048,576 addresses.
What devices use F040AF7?
Any network device with a MAC address starting F0:40:AF:7 was manufactured by or for Unionbell Technologies Limited.