What this means
The IEEE assigned the MA-L block CC3B58 to Curiouser Products Inc. 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 CC:3B:58, it is Curiouser Products Inc hardware.
Frequently Asked Questions
Who owns MAC prefix CC3B58?
CC3B58 is registered to Curiouser Products Inc 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. Curiouser Products Inc's block covers 16,777,216 addresses.
What devices use CC3B58?
Any network device with a MAC address starting CC:3B:58 was manufactured by or for Curiouser Products Inc.