Who owns MAC prefix CCD31E1?

CCD31E1 is registered to Rondo Burgdorf AG in the IEEE MA-M registry.

What devices use CCD31E1?

Any network device with a MAC address starting CC:D3:1E:1 was manufactured by or for Rondo Burgdorf AG.

MA-M · OUI prefix

Rondo Burgdorf AG

Any MAC address starting CC:D3:1E:1 is registered to Rondo Burgdorf AG in CH.

OUI prefix	CCD31E1
Vendor	Rondo Burgdorf AG
Registry	MA-M (28-bit, medium block)
Country	CH
Example MAC	CC:D3:1E:1:00:00:00

What this means

The IEEE assigned the MA-M block CCD31E1 to Rondo Burgdorf AG. 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 CC:D3:1E:1, it is Rondo Burgdorf AG hardware.

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