Who owns MAC prefix 70B3D55BE?

70B3D55BE is registered to CASWA in the IEEE MA-S registry.

What devices use 70B3D55BE?

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

MA-S · OUI prefix

CASWA

Any MAC address starting 70:B3:D5:5B:E is registered to CASWA in AU.

OUI prefix	70B3D55BE
Vendor	CASWA
Registry	MA-S (36-bit, small block)
Country	AU
Example MAC	70:B3:D5:5B:E:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D55BE to CASWA. 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:D5:5B:E, it is CASWA hardware.

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