Who owns MAC prefix 20443A?

20443A is registered to Schneider Electric Asia Pacific Ltd in the IEEE MA-L registry.

What devices use 20443A?

Any network device with a MAC address starting 20:44:3A was manufactured by or for Schneider Electric Asia Pacific Ltd.

MA-L · OUI prefix

Schneider Electric Asia Pacific Ltd

Any MAC address starting 20:44:3A is registered to Schneider Electric Asia Pacific Ltd in HK.

OUI prefix	20443A
Vendor	Schneider Electric Asia Pacific Ltd
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	20:44:3A:00:00:00

What this means

The IEEE assigned the MA-L block 20443A to Schneider Electric Asia Pacific 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 20:44:3A, it is Schneider Electric Asia Pacific Ltd hardware.

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