What this means
The IEEE assigned the MA-L block 5453ED to Sony Corporation. 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 54:53:ED, it is Sony Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 5453ED?
5453ED is registered to Sony Corporation 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. Sony Corporation's block covers 16,777,216 addresses.
What devices use 5453ED?
Any network device with a MAC address starting 54:53:ED was manufactured by or for Sony Corporation.