Who owns MAC prefix E4956E7?

E4956E7 is registered to NationalchipKorea in the IEEE MA-M registry.

What devices use E4956E7?

Any network device with a MAC address starting E4:95:6E:7 was manufactured by or for NationalchipKorea.

MA-M · OUI prefix

NationalchipKorea

Any MAC address starting E4:95:6E:7 is registered to NationalchipKorea in KR.

OUI prefix	E4956E7
Vendor	NationalchipKorea
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	E4:95:6E:7:00:00:00

What this means

The IEEE assigned the MA-M block E4956E7 to NationalchipKorea. 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 E4:95:6E:7, it is NationalchipKorea hardware.

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