What this means
The IEEE assigned the MA-L block 001D05 to Cooper Lighting Solutions. 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 00:1D:05, it is Cooper Lighting Solutions hardware.
Frequently Asked Questions
Who owns MAC prefix 001D05?
001D05 is registered to Cooper Lighting Solutions 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. Cooper Lighting Solutions's block covers 16,777,216 addresses.
What devices use 001D05?
Any network device with a MAC address starting 00:1D:05 was manufactured by or for Cooper Lighting Solutions.