What this means
The IEEE assigned the MA-L block 0020D3 to OST (OUEST STANDARD TELEMATIQU. 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 00:20:D3, it is OST (OUEST STANDARD TELEMATIQU hardware.
Frequently Asked Questions
Who owns MAC prefix 0020D3?
0020D3 is registered to OST (OUEST STANDARD TELEMATIQU 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. OST (OUEST STANDARD TELEMATIQU's block covers 16,777,216 addresses.
What devices use 0020D3?
Any network device with a MAC address starting 00:20:D3 was manufactured by or for OST (OUEST STANDARD TELEMATIQU.