Who owns MAC prefix 00C09C?

00C09C is registered to HIOKI E.E. CORPORATION in the IEEE MA-L registry.

What devices use 00C09C?

Any network device with a MAC address starting 00:C0:9C was manufactured by or for HIOKI E.E. CORPORATION.

MA-L · OUI prefix

HIOKI E.E. CORPORATION

Any MAC address starting 00:C0:9C is registered to HIOKI E.E. CORPORATION in JP.

OUI prefix	00C09C
Vendor	HIOKI E.E. CORPORATION
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:C0:9C:00:00:00

What this means

The IEEE assigned the MA-L block 00C09C to HIOKI E.E. CORPORATION. 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:C0:9C, it is HIOKI E.E. CORPORATION hardware.

Other HIOKI E.E. CORPORATION prefixes

HIOKI E.E. CORPORATION holds 2 registered blocks in total.

000167

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