Who owns MAC prefix 8C1F645F1?

8C1F645F1 is registered to HD Link Co., Ltd. in the IEEE MA-S registry.

What devices use 8C1F645F1?

Any network device with a MAC address starting 8C:1F:64:5F:1 was manufactured by or for HD Link Co., Ltd..

MA-S · OUI prefix

HD Link Co., Ltd.

Any MAC address starting 8C:1F:64:5F:1 is registered to HD Link Co., Ltd. in KR.

OUI prefix	8C1F645F1
Vendor	HD Link Co., Ltd.
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	8C:1F:64:5F:1:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F645F1 to HD Link 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:64:5F:1, it is HD Link Co., Ltd. hardware.

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