What this means
The IEEE assigned the MA-L block 5447D3 to TSAT AS. 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 54:47:D3, it is TSAT AS hardware.
Frequently Asked Questions
Who owns MAC prefix 5447D3?
5447D3 is registered to TSAT AS 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. TSAT AS's block covers 16,777,216 addresses.
What devices use 5447D3?
Any network device with a MAC address starting 54:47:D3 was manufactured by or for TSAT AS.