Who owns MAC prefix 70B3D50B5?

70B3D50B5 is registered to Capgemini Netherlands in the IEEE MA-S registry.

What devices use 70B3D50B5?

Any network device with a MAC address starting 70:B3:D5:0B:5 was manufactured by or for Capgemini Netherlands.

MA-S · OUI prefix

Capgemini Netherlands

Any MAC address starting 70:B3:D5:0B:5 is registered to Capgemini Netherlands in NL.

OUI prefix	70B3D50B5
Vendor	Capgemini Netherlands
Registry	MA-S (36-bit, small block)
Country	NL
Example MAC	70:B3:D5:0B:5:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D50B5 to Capgemini Netherlands. 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:D5:0B:5, it is Capgemini Netherlands hardware.

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