What this means
The IEEE assigned the MA-L block D45C70 to Wi-Fi Alliance. 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 D4:5C:70, it is Wi-Fi Alliance hardware.
Frequently Asked Questions
Who owns MAC prefix D45C70?
D45C70 is registered to Wi-Fi Alliance 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. Wi-Fi Alliance's block covers 16,777,216 addresses.
What devices use D45C70?
Any network device with a MAC address starting D4:5C:70 was manufactured by or for Wi-Fi Alliance.