Who owns MAC prefix 000C11?

000C11 is registered to NIPPON DEMPA CO.,LTD. in the IEEE MA-L registry.

What devices use 000C11?

Any network device with a MAC address starting 00:0C:11 was manufactured by or for NIPPON DEMPA CO.,LTD..

MA-L · OUI prefix

NIPPON DEMPA CO.,LTD.

Any MAC address starting 00:0C:11 is registered to NIPPON DEMPA CO.,LTD. in JP.

OUI prefix	000C11
Vendor	NIPPON DEMPA CO.,LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:0C:11:00:00:00

What this means

The IEEE assigned the MA-L block 000C11 to NIPPON DEMPA 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 00:0C:11, it is NIPPON DEMPA CO.,LTD. hardware.

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