Who owns MAC prefix 00058C?

00058C is registered to Opentech Inc. in the IEEE MA-L registry.

What devices use 00058C?

Any network device with a MAC address starting 00:05:8C was manufactured by or for Opentech Inc..

MA-L · OUI prefix

Opentech Inc.

Any MAC address starting 00:05:8C is registered to Opentech Inc. in KR.

OUI prefix	00058C
Vendor	Opentech Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:05:8C:00:00:00

What this means

The IEEE assigned the MA-L block 00058C to Opentech Inc.. 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 00:05:8C, it is Opentech Inc. hardware.

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