Who owns MAC prefix 001C13?

001C13 is registered to OPTSYS TECHNOLOGY CO., LTD. in the IEEE MA-L registry.

What devices use 001C13?

Any network device with a MAC address starting 00:1C:13 was manufactured by or for OPTSYS TECHNOLOGY CO., LTD..

MA-L · OUI prefix

OPTSYS TECHNOLOGY CO., LTD.

Any MAC address starting 00:1C:13 is registered to OPTSYS TECHNOLOGY CO., LTD. in KR.

OUI prefix	001C13
Vendor	OPTSYS TECHNOLOGY CO., LTD.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:1C:13:00:00:00

What this means

The IEEE assigned the MA-L block 001C13 to OPTSYS TECHNOLOGY 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 00:1C:13, it is OPTSYS TECHNOLOGY CO., LTD. hardware.

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