Who owns MAC prefix 8C1F64D19?

8C1F64D19 is registered to YNM SYSTEMS INC. in the IEEE MA-S registry.

What devices use 8C1F64D19?

Any network device with a MAC address starting 8C:1F:64:D1:9 was manufactured by or for YNM SYSTEMS INC..

MA-S · OUI prefix

YNM SYSTEMS INC.

Any MAC address starting 8C:1F:64:D1:9 is registered to YNM SYSTEMS INC. in KR.

OUI prefix	8C1F64D19
Vendor	YNM SYSTEMS INC.
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	8C:1F:64:D1:9:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64D19 to YNM SYSTEMS INC.. 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 8C:1F:64:D1:9, it is YNM SYSTEMS INC. hardware.

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