What this means
The IEEE assigned the MA-L block C423A2 to PT. Emsonic Indonesia. 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 C4:23:A2, it is PT. Emsonic Indonesia hardware.
Frequently Asked Questions
Who owns MAC prefix C423A2?
C423A2 is registered to PT. Emsonic Indonesia 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. PT. Emsonic Indonesia's block covers 16,777,216 addresses.
What devices use C423A2?
Any network device with a MAC address starting C4:23:A2 was manufactured by or for PT. Emsonic Indonesia.