Who owns MAC prefix 00055C?

00055C is registered to Kowa Company, Ltd. in the IEEE MA-L registry.

What devices use 00055C?

Any network device with a MAC address starting 00:05:5C was manufactured by or for Kowa Company, Ltd..

MA-L · OUI prefix

Kowa Company, Ltd.

Any MAC address starting 00:05:5C is registered to Kowa Company, Ltd. in JP.

OUI prefix	00055C
Vendor	Kowa Company, Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:05:5C:00:00:00

What this means

The IEEE assigned the MA-L block 00055C to Kowa Company, 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 00:05:5C, it is Kowa Company, Ltd. hardware.

Look up another MAC