Who owns MAC prefix 8C1F642A3?

8C1F642A3 is registered to NSK Co.,Ltd. in the IEEE MA-S registry.

What devices use 8C1F642A3?

Any network device with a MAC address starting 8C:1F:64:2A:3 was manufactured by or for NSK Co.,Ltd..

MA-S · OUI prefix

NSK Co.,Ltd.

Any MAC address starting 8C:1F:64:2A:3 is registered to NSK Co.,Ltd. in JP.

OUI prefix	8C1F642A3
Vendor	NSK Co.,Ltd.
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	8C:1F:64:2A:3:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F642A3 to NSK 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:64:2A:3, it is NSK Co.,Ltd. hardware.

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