Who owns MAC prefix AC40EA?

AC40EA is registered to C&T Solution Inc. in the IEEE MA-L registry.

What devices use AC40EA?

Any network device with a MAC address starting AC:40:EA was manufactured by or for C&T Solution Inc..

MA-L · OUI prefix

C&T Solution Inc.

Any MAC address starting AC:40:EA is registered to C&T Solution Inc. in TW.

OUI prefix	AC40EA
Vendor	C&T Solution Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	AC:40:EA:00:00:00

What this means

The IEEE assigned the MA-L block AC40EA to C&T Solution Inc.. 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 AC:40:EA, it is C&T Solution Inc. hardware.

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