What this means
The IEEE assigned the MA-L block C0F991 to GME Standard Communications P/L. 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 C0:F9:91, it is GME Standard Communications P/L hardware.
Frequently Asked Questions
Who owns MAC prefix C0F991?
C0F991 is registered to GME Standard Communications P/L 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. GME Standard Communications P/L's block covers 16,777,216 addresses.
What devices use C0F991?
Any network device with a MAC address starting C0:F9:91 was manufactured by or for GME Standard Communications P/L.