What this means
The IEEE assigned the MA-L block D828C9 to General Electric Consumer and Industrial. 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 D8:28:C9, it is General Electric Consumer and Industrial hardware.
Frequently Asked Questions
Who owns MAC prefix D828C9?
D828C9 is registered to General Electric Consumer and Industrial 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. General Electric Consumer and Industrial's block covers 16,777,216 addresses.
What devices use D828C9?
Any network device with a MAC address starting D8:28:C9 was manufactured by or for General Electric Consumer and Industrial.