What this means
The IEEE assigned the MA-M block F4979DE to Teenage Engineering AB. 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 F4:97:9D:E, it is Teenage Engineering AB hardware.
Frequently Asked Questions
Who owns MAC prefix F4979DE?
F4979DE is registered to Teenage Engineering AB 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. Teenage Engineering AB's block covers 1,048,576 addresses.
What devices use F4979DE?
Any network device with a MAC address starting F4:97:9D:E was manufactured by or for Teenage Engineering AB.