What this means
The IEEE assigned the MA-L block 001DC7 to L-3 Communications Geneva Aerospace. 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:C7, it is L-3 Communications Geneva Aerospace hardware.
Frequently Asked Questions
Who owns MAC prefix 001DC7?
001DC7 is registered to L-3 Communications Geneva Aerospace 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. L-3 Communications Geneva Aerospace's block covers 16,777,216 addresses.
What devices use 001DC7?
Any network device with a MAC address starting 00:1D:C7 was manufactured by or for L-3 Communications Geneva Aerospace.