What this means
The IEEE assigned the MA-L block 90F278 to Radius Gateway. 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 90:F2:78, it is Radius Gateway hardware.
Frequently Asked Questions
Who owns MAC prefix 90F278?
90F278 is registered to Radius Gateway 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. Radius Gateway's block covers 16,777,216 addresses.
What devices use 90F278?
Any network device with a MAC address starting 90:F2:78 was manufactured by or for Radius Gateway.