Who owns MAC prefix 340A22?

340A22 is registered to TOP-ACCESS ELECTRONICS CO LTD in the IEEE MA-L registry.

What devices use 340A22?

Any network device with a MAC address starting 34:0A:22 was manufactured by or for TOP-ACCESS ELECTRONICS CO LTD.

MA-L · OUI prefix

TOP-ACCESS ELECTRONICS CO LTD

Any MAC address starting 34:0A:22 is registered to TOP-ACCESS ELECTRONICS CO LTD in CN.

OUI prefix	340A22
Vendor	TOP-ACCESS ELECTRONICS CO LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	34:0A:22:00:00:00

What this means

The IEEE assigned the MA-L block 340A22 to TOP-ACCESS ELECTRONICS CO LTD. 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 34:0A:22, it is TOP-ACCESS ELECTRONICS CO LTD hardware.

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