Who owns MAC prefix 70B3D5DF0?

70B3D5DF0 is registered to astozi consulting Tomasz Zieba in the IEEE MA-S registry.

What devices use 70B3D5DF0?

Any network device with a MAC address starting 70:B3:D5:DF:0 was manufactured by or for astozi consulting Tomasz Zieba.

MA-S · OUI prefix

astozi consulting Tomasz Zieba

Any MAC address starting 70:B3:D5:DF:0 is registered to astozi consulting Tomasz Zieba in PL.

OUI prefix	70B3D5DF0
Vendor	astozi consulting Tomasz Zieba
Registry	MA-S (36-bit, small block)
Country	PL
Example MAC	70:B3:D5:DF:0:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5DF0 to astozi consulting Tomasz Zieba. 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:DF:0, it is astozi consulting Tomasz Zieba hardware.

Look up another MAC