What this means
The IEEE assigned the MA-L block 28840E to silicon valley immigration service. 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 28:84:0E, it is silicon valley immigration service hardware.
Frequently Asked Questions
Who owns MAC prefix 28840E?
28840E is registered to silicon valley immigration service 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. silicon valley immigration service's block covers 16,777,216 addresses.
What devices use 28840E?
Any network device with a MAC address starting 28:84:0E was manufactured by or for silicon valley immigration service.