What this means
The IEEE assigned the MA-L block 8CDB25 to ESG 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 8C:DB:25, it is ESG Solutions hardware.
Frequently Asked Questions
Who owns MAC prefix 8CDB25?
8CDB25 is registered to ESG 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. ESG Solutions's block covers 16,777,216 addresses.
What devices use 8CDB25?
Any network device with a MAC address starting 8C:DB:25 was manufactured by or for ESG Solutions.