What this means
The IEEE assigned the MA-L block 4086CB to D-Link 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 40:86:CB, it is D-Link Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 4086CB?
4086CB is registered to D-Link 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. D-Link Corporation's block covers 16,777,216 addresses.
What devices use 4086CB?
Any network device with a MAC address starting 40:86:CB was manufactured by or for D-Link Corporation.