What this means
The IEEE assigned the MA-L block D481CA to iDevices, 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 D4:81:CA, it is iDevices, LLC hardware.
Frequently Asked Questions
Who owns MAC prefix D481CA?
D481CA is registered to iDevices, 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. iDevices, LLC's block covers 16,777,216 addresses.
What devices use D481CA?
Any network device with a MAC address starting D4:81:CA was manufactured by or for iDevices, LLC.