Who owns MAC prefix 002022?

002022 is registered to NMS Communications in the IEEE MA-L registry.

What devices use 002022?

Any network device with a MAC address starting 00:20:22 was manufactured by or for NMS Communications.

MA-L · OUI prefix

NMS Communications

Any MAC address starting 00:20:22 is registered to NMS Communications in US.

OUI prefix	002022
Vendor	NMS Communications
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:20:22:00:00:00

What this means

The IEEE assigned the MA-L block 002022 to NMS Communications. 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 00:20:22, it is NMS Communications hardware.

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