What this means
The IEEE assigned the MA-L block 0022B7 to GSS Grundig SAT-Systems 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 00:22:B7, it is GSS Grundig SAT-Systems GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 0022B7?
0022B7 is registered to GSS Grundig SAT-Systems 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. GSS Grundig SAT-Systems GmbH's block covers 16,777,216 addresses.
What devices use 0022B7?
Any network device with a MAC address starting 00:22:B7 was manufactured by or for GSS Grundig SAT-Systems GmbH.