What this means
The IEEE assigned the MA-L block 0023E1 to Cavena Image Products AB. 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 00:23:E1, it is Cavena Image Products AB hardware.
Frequently Asked Questions
Who owns MAC prefix 0023E1?
0023E1 is registered to Cavena Image Products AB 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. Cavena Image Products AB's block covers 16,777,216 addresses.
What devices use 0023E1?
Any network device with a MAC address starting 00:23:E1 was manufactured by or for Cavena Image Products AB.