Who owns MAC prefix 70B3D5B8B?

70B3D5B8B is registered to Profound Medical Inc. in the IEEE MA-S registry.

What devices use 70B3D5B8B?

Any network device with a MAC address starting 70:B3:D5:B8:B was manufactured by or for Profound Medical Inc..

MA-S · OUI prefix

Profound Medical Inc.

Any MAC address starting 70:B3:D5:B8:B is registered to Profound Medical Inc. in CA.

OUI prefix	70B3D5B8B
Vendor	Profound Medical Inc.
Registry	MA-S (36-bit, small block)
Country	CA
Example MAC	70:B3:D5:B8:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5B8B to Profound Medical Inc.. 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:B8:B, it is Profound Medical Inc. hardware.

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