Who owns MAC prefix 70B3D57D0?

70B3D57D0 is registered to Cubitech in the IEEE MA-S registry.

What devices use 70B3D57D0?

Any network device with a MAC address starting 70:B3:D5:7D:0 was manufactured by or for Cubitech.

MA-S · OUI prefix

Cubitech

Any MAC address starting 70:B3:D5:7D:0 is registered to Cubitech in GR.

OUI prefix	70B3D57D0
Vendor	Cubitech
Registry	MA-S (36-bit, small block)
Country	GR
Example MAC	70:B3:D5:7D:0:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D57D0 to Cubitech. 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:D5:7D:0, it is Cubitech hardware.

Other Cubitech prefixes

Cubitech holds 5 registered blocks in total.

44A92CC 70B3D5893 70B3D591D 70B3D5AED

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