Who owns MAC prefix 00056D?

00056D is registered to Pacific Corporation in the IEEE MA-L registry.

What devices use 00056D?

Any network device with a MAC address starting 00:05:6D was manufactured by or for Pacific Corporation.

MA-L · OUI prefix

Pacific Corporation

Any MAC address starting 00:05:6D is registered to Pacific Corporation in JP.

OUI prefix	00056D
Vendor	Pacific Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:05:6D:00:00:00

What this means

The IEEE assigned the MA-L block 00056D to Pacific 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 00:05:6D, it is Pacific Corporation hardware.

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