What devices use 70B3D5EE4?

Any network device with a MAC address starting 70:B3:D5:EE:4 was manufactured by or for O-Net Automation Technology (Shenzhen)Limited.

MA-S · OUI prefix

O-Net Automation Technology (Shenzhen)Limited

Q: Who owns MAC prefix 70B3D5EE4?

70B3D5EE4 is registered to O-Net Automation Technology (Shenzhen)Limited in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:EE:4 is registered to O-Net Automation Technology (Shenzhen)Limited in CN.

OUI prefix	70B3D5EE4
Vendor	O-Net Automation Technology (Shenzhen)Limited
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	70:B3:D5:EE:4:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5EE4 to O-Net Automation Technology (Shenzhen)Limited. 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:EE:4, it is O-Net Automation Technology (Shenzhen)Limited hardware.

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