Who owns MAC prefix 7C45F99?

7C45F99 is registered to MIJ CO LTD in the IEEE MA-M registry.

What devices use 7C45F99?

Any network device with a MAC address starting 7C:45:F9:9 was manufactured by or for MIJ CO LTD.

MA-M · OUI prefix

MIJ CO LTD

Any MAC address starting 7C:45:F9:9 is registered to MIJ CO LTD in KR.

OUI prefix	7C45F99
Vendor	MIJ CO LTD
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	7C:45:F9:9:00:00:00

What this means

The IEEE assigned the MA-M block 7C45F99 to MIJ 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 7C:45:F9:9, it is MIJ CO LTD hardware.

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