What this means
The IEEE assigned the MA-L block 28D1AF to Nokia Corporation. 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 28:D1:AF, it is Nokia Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 28D1AF?
28D1AF is registered to Nokia Corporation in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Nokia Corporation's block covers 16,777,216 addresses.
What devices use 28D1AF?
Any network device with a MAC address starting 28:D1:AF was manufactured by or for Nokia Corporation.