Who owns MAC prefix 8C1F642C5?

8C1F642C5 is registered to SYSN in the IEEE MA-S registry.

What devices use 8C1F642C5?

Any network device with a MAC address starting 8C:1F:64:2C:5 was manufactured by or for SYSN.

MA-S · OUI prefix

SYSN

Any MAC address starting 8C:1F:64:2C:5 is registered to SYSN in KR.

OUI prefix	8C1F642C5
Vendor	SYSN
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	8C:1F:64:2C:5:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F642C5 to SYSN. 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:64:2C:5, it is SYSN hardware.

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