O-NET Industrial Technologies (Shenzhen) Limited - MAC Prefix C4A10E5 (MA-M)

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.

Frequently Asked Questions

Who owns MAC prefix C4A10E5?

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

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. O-NET Industrial Technologies (Shenzhen) Limited's block covers 1,048,576 addresses.

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.

OUI prefix	C4A10E5
Vendor	O-NET Industrial Technologies (Shenzhen) Limited
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	CN
Other blocks by this vendor	1 total
Example MAC	C4:A1:0E:5:00:00:00