What this means
The IEEE assigned the MA-L block A481EE 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 A4:81:EE, it is Nokia Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix A481EE?
A481EE 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 A481EE?
Any network device with a MAC address starting A4:81:EE was manufactured by or for Nokia Corporation.