Who owns MAC prefix A02EF3?

A02EF3 is registered to United Integrated Services Co., Led. in the IEEE MA-L registry.

What devices use A02EF3?

Any network device with a MAC address starting A0:2E:F3 was manufactured by or for United Integrated Services Co., Led..

MA-L · OUI prefix

United Integrated Services Co., Led.

Any MAC address starting A0:2E:F3 is registered to United Integrated Services Co., Led. in TW.

OUI prefix	A02EF3
Vendor	United Integrated Services Co., Led.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	A0:2E:F3:00:00:00

What this means

The IEEE assigned the MA-L block A02EF3 to United Integrated Services Co., Led.. 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 A0:2E:F3, it is United Integrated Services Co., Led. hardware.

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