Who owns MAC prefix 8C1F640BA?

8C1F640BA is registered to SungjinDSP Co., LTD in the IEEE MA-S registry.

What devices use 8C1F640BA?

Any network device with a MAC address starting 8C:1F:64:0B:A was manufactured by or for SungjinDSP Co., LTD.

MA-S · OUI prefix

SungjinDSP Co., LTD

Any MAC address starting 8C:1F:64:0B:A is registered to SungjinDSP Co., LTD in KR.

OUI prefix	8C1F640BA
Vendor	SungjinDSP Co., LTD
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	8C:1F:64:0B:A:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F640BA to SungjinDSP 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 8C:1F:64:0B:A, it is SungjinDSP Co., LTD hardware.

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