Who owns MAC prefix 7CDA84?

7CDA84 is registered to Dongnian Networks Inc. in the IEEE MA-L registry.

What devices use 7CDA84?

Any network device with a MAC address starting 7C:DA:84 was manufactured by or for Dongnian Networks Inc..

MA-L · OUI prefix

Dongnian Networks Inc.

Any MAC address starting 7C:DA:84 is registered to Dongnian Networks Inc. in CN.

OUI prefix	7CDA84
Vendor	Dongnian Networks Inc.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	7C:DA:84:00:00:00

What this means

The IEEE assigned the MA-L block 7CDA84 to Dongnian Networks Inc.. 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 7C:DA:84, it is Dongnian Networks Inc. hardware.

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