Who owns MAC prefix 70B3D5BF9?

70B3D5BF9 is registered to Okolab Srl in the IEEE MA-S registry.

What devices use 70B3D5BF9?

Any network device with a MAC address starting 70:B3:D5:BF:9 was manufactured by or for Okolab Srl.

MA-S · OUI prefix

Okolab Srl

Any MAC address starting 70:B3:D5:BF:9 is registered to Okolab Srl in IT.

OUI prefix	70B3D5BF9
Vendor	Okolab Srl
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:BF:9:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5BF9 to Okolab Srl. 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:BF:9, it is Okolab Srl hardware.

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