What devices use DCDB70?

Any network device with a MAC address starting DC:DB:70 was manufactured by or for Tonfunk Systementwicklung und Service GmbH.

MA-L · OUI prefix

Tonfunk Systementwicklung und Service GmbH

Q: Who owns MAC prefix DCDB70?

DCDB70 is registered to Tonfunk Systementwicklung und Service GmbH in the IEEE MA-L registry.

Any MAC address starting DC:DB:70 is registered to Tonfunk Systementwicklung und Service GmbH in DE.

OUI prefix	DCDB70
Vendor	Tonfunk Systementwicklung und Service GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	DC:DB:70:00:00:00

What this means

The IEEE assigned the MA-L block DCDB70 to Tonfunk Systementwicklung und Service GmbH. 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 DC:DB:70, it is Tonfunk Systementwicklung und Service GmbH hardware.

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