What this means
The IEEE assigned the MA-L block A0E453 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 A0:E4:53, it is Sony Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix A0E453?
A0E453 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 A0E453?
Any network device with a MAC address starting A0:E4:53 was manufactured by or for Sony Corporation.