What this means
The IEEE assigned the MA-L block C819D8 to Blink by Amazon. 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 C8:19:D8, it is Blink by Amazon hardware.
Frequently Asked Questions
Who owns MAC prefix C819D8?
C819D8 is registered to Blink by Amazon 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. Blink by Amazon's block covers 16,777,216 addresses.
What devices use C819D8?
Any network device with a MAC address starting C8:19:D8 was manufactured by or for Blink by Amazon.