Who owns MAC prefix 80053A?

80053A is registered to CHeKT Inc. in the IEEE MA-L registry.

What devices use 80053A?

Any network device with a MAC address starting 80:05:3A was manufactured by or for CHeKT Inc..

MA-L · OUI prefix

CHeKT Inc.

Any MAC address starting 80:05:3A is registered to CHeKT Inc. in US.

OUI prefix	80053A
Vendor	CHeKT Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	80:05:3A:00:00:00

What this means

The IEEE assigned the MA-L block 80053A to CHeKT 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 80:05:3A, it is CHeKT Inc. hardware.

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