Who owns MAC prefix C438D3?

C438D3 is registered to TAGATEC CO.,LTD in the IEEE MA-L registry.

What devices use C438D3?

Any network device with a MAC address starting C4:38:D3 was manufactured by or for TAGATEC CO.,LTD.

MA-L · OUI prefix

TAGATEC CO.,LTD

Any MAC address starting C4:38:D3 is registered to TAGATEC CO.,LTD in KR.

OUI prefix	C438D3
Vendor	TAGATEC CO.,LTD
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	C4:38:D3:00:00:00

What this means

The IEEE assigned the MA-L block C438D3 to TAGATEC 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 C4:38:D3, it is TAGATEC CO.,LTD hardware.

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