Who owns MAC prefix 70B3D51B6?

70B3D51B6 is registered to DACOM West GmbH in the IEEE MA-S registry.

What devices use 70B3D51B6?

Any network device with a MAC address starting 70:B3:D5:1B:6 was manufactured by or for DACOM West GmbH.

MA-S · OUI prefix

DACOM West GmbH

Any MAC address starting 70:B3:D5:1B:6 is registered to DACOM West GmbH in DE.

OUI prefix	70B3D51B6
Vendor	DACOM West GmbH
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:1B:6:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D51B6 to DACOM West 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 70:B3:D5:1B:6, it is DACOM West GmbH hardware.

Other DACOM West GmbH prefixes

DACOM West GmbH holds 2 registered blocks in total.

8C1F64895

Look up another MAC