What this means
The IEEE assigned the MA-L block 20318D to Giax GmbH. 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 20:31:8D, it is Giax GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 20318D?
20318D is registered to Giax GmbH 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. Giax GmbH's block covers 16,777,216 addresses.
What devices use 20318D?
Any network device with a MAC address starting 20:31:8D was manufactured by or for Giax GmbH.