What devices use C4A10E5?

Any network device with a MAC address starting C4:A1:0E:5 was manufactured by or for O-NET Industrial Technologies (Shenzhen) Limited.

MA-M · OUI prefix

O-NET Industrial Technologies (Shenzhen) Limited

Q: Who owns MAC prefix C4A10E5?

C4A10E5 is registered to O-NET Industrial Technologies (Shenzhen) Limited in the IEEE MA-M registry.

Any MAC address starting C4:A1:0E:5 is registered to O-NET Industrial Technologies (Shenzhen) Limited in CN.

OUI prefix	C4A10E5
Vendor	O-NET Industrial Technologies (Shenzhen) Limited
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	C4:A1:0E:5:00:00:00

What this means

The IEEE assigned the MA-M block C4A10E5 to O-NET Industrial Technologies (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 C4:A1:0E:5, it is O-NET Industrial Technologies (Shenzhen) Limited hardware.

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