What this means
The IEEE assigned the MA-L block E828D5 to Cots Technology. 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 E8:28:D5, it is Cots Technology hardware.
Frequently Asked Questions
Who owns MAC prefix E828D5?
E828D5 is registered to Cots Technology 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. Cots Technology's block covers 16,777,216 addresses.
What devices use E828D5?
Any network device with a MAC address starting E8:28:D5 was manufactured by or for Cots Technology.