Who owns MAC prefix C4E17C?

C4E17C is registered to U2S co. in the IEEE MA-L registry.

What devices use C4E17C?

Any network device with a MAC address starting C4:E1:7C was manufactured by or for U2S co..

MA-L · OUI prefix

U2S co.

Any MAC address starting C4:E1:7C is registered to U2S co. in KR.

OUI prefix	C4E17C
Vendor	U2S co.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	C4:E1:7C:00:00:00

What this means

The IEEE assigned the MA-L block C4E17C to U2S co.. 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 C4:E1:7C, it is U2S co. hardware.

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