Who owns MAC prefix 70B3D52E7?

70B3D52E7 is registered to Atos spa in the IEEE MA-S registry.

What devices use 70B3D52E7?

Any network device with a MAC address starting 70:B3:D5:2E:7 was manufactured by or for Atos spa.

MA-S · OUI prefix

Atos spa

Any MAC address starting 70:B3:D5:2E:7 is registered to Atos spa in IT.

OUI prefix	70B3D52E7
Vendor	Atos spa
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:2E:7:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D52E7 to Atos spa. 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:D5:2E:7, it is Atos spa hardware.

Other Atos spa prefixes

Atos spa holds 2 registered blocks in total.

4CEA417

Look up another MAC