What this means
The IEEE assigned the MA-M block F0221DE to oToBrite Electronics, 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 F0:22:1D:E, it is oToBrite Electronics, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix F0221DE?
F0221DE is registered to oToBrite Electronics, 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. oToBrite Electronics, Inc.'s block covers 1,048,576 addresses.
What devices use F0221DE?
Any network device with a MAC address starting F0:22:1D:E was manufactured by or for oToBrite Electronics, Inc..