What this means
The IEEE assigned the MA-L block 00C0CE to CEI SYSTEMS & ENGINEERING PTE. 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 00:C0:CE, it is CEI SYSTEMS & ENGINEERING PTE hardware.
Frequently Asked Questions
Who owns MAC prefix 00C0CE?
00C0CE is registered to CEI SYSTEMS & ENGINEERING PTE 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. CEI SYSTEMS & ENGINEERING PTE's block covers 16,777,216 addresses.
What devices use 00C0CE?
Any network device with a MAC address starting 00:C0:CE was manufactured by or for CEI SYSTEMS & ENGINEERING PTE.