What this means
The IEEE assigned the MA-L block 0002E9 to CS Systemes De Securite - C3S. 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 00:02:E9, it is CS Systemes De Securite - C3S hardware.
Frequently Asked Questions
Who owns MAC prefix 0002E9?
0002E9 is registered to CS Systemes De Securite - C3S 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. CS Systemes De Securite - C3S's block covers 16,777,216 addresses.
What devices use 0002E9?
Any network device with a MAC address starting 00:02:E9 was manufactured by or for CS Systemes De Securite - C3S.