Who owns MAC prefix 70B3D545F?

70B3D545F is registered to Cloud4Wi in the IEEE MA-S registry.

What devices use 70B3D545F?

Any network device with a MAC address starting 70:B3:D5:45:F was manufactured by or for Cloud4Wi.

MA-S · OUI prefix

Cloud4Wi

Any MAC address starting 70:B3:D5:45:F is registered to Cloud4Wi in US.

OUI prefix	70B3D545F
Vendor	Cloud4Wi
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:45:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D545F to Cloud4Wi. 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:D5:45:F, it is Cloud4Wi hardware.

Other Cloud4Wi prefixes

Cloud4Wi holds 2 registered blocks in total.

4048FD7

Look up another MAC