What this means
The IEEE assigned the MA-L block 0013DE to Adapt4, LLC. 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 00:13:DE, it is Adapt4, LLC hardware.
Frequently Asked Questions
Who owns MAC prefix 0013DE?
0013DE is registered to Adapt4, LLC 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. Adapt4, LLC's block covers 16,777,216 addresses.
What devices use 0013DE?
Any network device with a MAC address starting 00:13:DE was manufactured by or for Adapt4, LLC.