Who owns MAC prefix 70B3D5677?

70B3D5677 is registered to Fraunhofer-Institut IIS in the IEEE MA-S registry.

What devices use 70B3D5677?

Any network device with a MAC address starting 70:B3:D5:67:7 was manufactured by or for Fraunhofer-Institut IIS.

MA-S · OUI prefix

Fraunhofer-Institut IIS

Any MAC address starting 70:B3:D5:67:7 is registered to Fraunhofer-Institut IIS in DE.

OUI prefix	70B3D5677
Vendor	Fraunhofer-Institut IIS
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:67:7:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5677 to Fraunhofer-Institut IIS. 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 70:B3:D5:67:7, it is Fraunhofer-Institut IIS hardware.

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