What this means
The IEEE assigned the MA-L block 28AF0A to Sirius XM Radio 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 28:AF:0A, it is Sirius XM Radio Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 28AF0A?
28AF0A is registered to Sirius XM Radio Inc 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. Sirius XM Radio Inc's block covers 16,777,216 addresses.
What devices use 28AF0A?
Any network device with a MAC address starting 28:AF:0A was manufactured by or for Sirius XM Radio Inc.