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.
Frequently Asked Questions
Who owns MAC prefix 20443A?
20443A is registered to Schneider Electric Asia Pacific Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Schneider Electric Asia Pacific Ltd's block covers 16,777,216 addresses.
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.