What this means
The IEEE assigned the MA-L block B4218A to Dog Hunter LLC. 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 B4:21:8A, it is Dog Hunter LLC hardware.
Frequently Asked Questions
Who owns MAC prefix B4218A?
B4218A is registered to Dog Hunter LLC 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. Dog Hunter LLC's block covers 16,777,216 addresses.
What devices use B4218A?
Any network device with a MAC address starting B4:21:8A was manufactured by or for Dog Hunter LLC.