What this means
The IEEE assigned the MA-L block 90EED9 to UNIVERSAL DE DESARROLLOS ELECTRÓNICOS, SA. 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 90:EE:D9, it is UNIVERSAL DE DESARROLLOS ELECTRÓNICOS, SA hardware.
Frequently Asked Questions
Who owns MAC prefix 90EED9?
90EED9 is registered to UNIVERSAL DE DESARROLLOS ELECTRÓNICOS, SA 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. UNIVERSAL DE DESARROLLOS ELECTRÓNICOS, SA's block covers 16,777,216 addresses.
What devices use 90EED9?
Any network device with a MAC address starting 90:EE:D9 was manufactured by or for UNIVERSAL DE DESARROLLOS ELECTRÓNICOS, SA.