Who owns MAC prefix 188EF9?

188EF9 is registered to G2C Co. Ltd. in the IEEE MA-L registry.

What devices use 188EF9?

Any network device with a MAC address starting 18:8E:F9 was manufactured by or for G2C Co. Ltd..

MA-L · OUI prefix

G2C Co. Ltd.

Any MAC address starting 18:8E:F9 is registered to G2C Co. Ltd. in KR.

OUI prefix	188EF9
Vendor	G2C Co. Ltd.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	18:8E:F9:00:00:00

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.

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