What this means
The IEEE assigned the MA-L block 40476A to Astro Gaming. 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 40:47:6A, it is Astro Gaming hardware.
Frequently Asked Questions
Who owns MAC prefix 40476A?
40476A is registered to Astro Gaming 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. Astro Gaming's block covers 16,777,216 addresses.
What devices use 40476A?
Any network device with a MAC address starting 40:47:6A was manufactured by or for Astro Gaming.