Who owns MAC prefix 70B3D528D?

70B3D528D is registered to Technica Engineering GmbH in the IEEE MA-S registry.

What devices use 70B3D528D?

Any network device with a MAC address starting 70:B3:D5:28:D was manufactured by or for Technica Engineering GmbH.

MA-S · OUI prefix

Technica Engineering GmbH

Any MAC address starting 70:B3:D5:28:D is registered to Technica Engineering GmbH in DE.

OUI prefix	70B3D528D
Vendor	Technica Engineering GmbH
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:28:D:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D528D to Technica Engineering 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:D5:28:D, it is Technica Engineering GmbH hardware.

Other Technica Engineering GmbH prefixes

Technica Engineering GmbH holds 3 registered blocks in total.

382A19 70B3D54C0

Look up another MAC