What this means
The IEEE assigned the MA-L block E4C146 to Objetivos y Servicios de Valor A. 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 E4:C1:46, it is Objetivos y Servicios de Valor A hardware.
Frequently Asked Questions
Who owns MAC prefix E4C146?
E4C146 is registered to Objetivos y Servicios de Valor A 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. Objetivos y Servicios de Valor A's block covers 16,777,216 addresses.
What devices use E4C146?
Any network device with a MAC address starting E4:C1:46 was manufactured by or for Objetivos y Servicios de Valor A.