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.
Frequently Asked Questions
Who owns MAC prefix 000A4D?
000A4D is registered to Noritz Corporation in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Noritz Corporation's block covers 16,777,216 addresses.
What devices use 000A4D?
Any network device with a MAC address starting 00:0A:4D was manufactured by or for Noritz Corporation.