What this means
The IEEE assigned the MA-L block 045A3D to Nothing Technology Limited. 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 04:5A:3D, it is Nothing Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 045A3D?
045A3D is registered to Nothing Technology Limited 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. Nothing Technology Limited's block covers 16,777,216 addresses.
What devices use 045A3D?
Any network device with a MAC address starting 04:5A:3D was manufactured by or for Nothing Technology Limited.