What this means
The IEEE assigned the MA-L block 8CD17B to CG Mobile. 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 8C:D1:7B, it is CG Mobile hardware.
Frequently Asked Questions
Who owns MAC prefix 8CD17B?
8CD17B is registered to CG Mobile 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. CG Mobile's block covers 16,777,216 addresses.
What devices use 8CD17B?
Any network device with a MAC address starting 8C:D1:7B was manufactured by or for CG Mobile.