Who owns MAC prefix 000A4D?

000A4D is registered to Noritz Corporation in the IEEE MA-L registry.

What devices use 000A4D?

Any network device with a MAC address starting 00:0A:4D was manufactured by or for Noritz Corporation.

MA-L · OUI prefix

Noritz Corporation

Any MAC address starting 00:0A:4D is registered to Noritz Corporation in JP.

OUI prefix	000A4D
Vendor	Noritz Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:0A:4D:00:00:00

What this means

The IEEE assigned the MA-L block 000A4D to Noritz 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 00:0A:4D, it is Noritz Corporation hardware.

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