Who owns MAC prefix 10E3C7?

10E3C7 is registered to Seohwa Telecom in the IEEE MA-L registry.

What devices use 10E3C7?

Any network device with a MAC address starting 10:E3:C7 was manufactured by or for Seohwa Telecom.

MA-L · OUI prefix

Seohwa Telecom

Any MAC address starting 10:E3:C7 is registered to Seohwa Telecom in KR.

OUI prefix	10E3C7
Vendor	Seohwa Telecom
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	10:E3:C7:00:00:00

What this means

The IEEE assigned the MA-L block 10E3C7 to Seohwa Telecom. 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 10:E3:C7, it is Seohwa Telecom hardware.

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