Who owns MAC prefix 001D31?

001D31 is registered to HIGHPRO INTERNATIONAL R&D CO,.LTD. in the IEEE MA-L registry.

What devices use 001D31?

Any network device with a MAC address starting 00:1D:31 was manufactured by or for HIGHPRO INTERNATIONAL R&D CO,.LTD..

MA-L · OUI prefix

HIGHPRO INTERNATIONAL R&D CO,.LTD.

Any MAC address starting 00:1D:31 is registered to HIGHPRO INTERNATIONAL R&D CO,.LTD. in TW.

OUI prefix	001D31
Vendor	HIGHPRO INTERNATIONAL R&D CO,.LTD.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:1D:31:00:00:00

What this means

The IEEE assigned the MA-L block 001D31 to HIGHPRO INTERNATIONAL R&D 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 00:1D:31, it is HIGHPRO INTERNATIONAL R&D CO,.LTD. hardware.

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