What this means
The IEEE assigned the MA-L block 847778 to Cochlear Limited. 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 84:77:78, it is Cochlear Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 847778?
847778 is registered to Cochlear Limited 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. Cochlear Limited's block covers 16,777,216 addresses.
What devices use 847778?
Any network device with a MAC address starting 84:77:78 was manufactured by or for Cochlear Limited.