What this means
The IEEE assigned the MA-L block 5CB15F to Oceanblue Cloud Technology Limited. 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 5C:B1:5F, it is Oceanblue Cloud Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 5CB15F?
5CB15F is registered to Oceanblue Cloud Technology Limited 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. Oceanblue Cloud Technology Limited's block covers 16,777,216 addresses.
What devices use 5CB15F?
Any network device with a MAC address starting 5C:B1:5F was manufactured by or for Oceanblue Cloud Technology Limited.