What this means
The IEEE assigned the MA-L block 188EF9 to G2C Co. Ltd.. 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 18:8E:F9, it is G2C Co. Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 188EF9?
188EF9 is registered to G2C Co. Ltd. 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. G2C Co. Ltd.'s block covers 16,777,216 addresses.
What devices use 188EF9?
Any network device with a MAC address starting 18:8E:F9 was manufactured by or for G2C Co. Ltd..