Who owns MAC prefix 00043A?

00043A is registered to Intelligent Telecommunications, Inc. in the IEEE MA-L registry.

What devices use 00043A?

Any network device with a MAC address starting 00:04:3A was manufactured by or for Intelligent Telecommunications, Inc..

MA-L · OUI prefix

Intelligent Telecommunications, Inc.

Any MAC address starting 00:04:3A is registered to Intelligent Telecommunications, Inc. in KR.

OUI prefix	00043A
Vendor	Intelligent Telecommunications, Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:04:3A:00:00:00

What this means

The IEEE assigned the MA-L block 00043A to Intelligent Telecommunications, 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 00:04:3A, it is Intelligent Telecommunications, Inc. hardware.

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