What this means
The IEEE assigned the MA-L block 44A689 to PROMAX ELECTRONICA 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 44:A6:89, it is PROMAX ELECTRONICA SA hardware.
Frequently Asked Questions
Who owns MAC prefix 44A689?
44A689 is registered to PROMAX ELECTRONICA 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. PROMAX ELECTRONICA SA's block covers 16,777,216 addresses.
What devices use 44A689?
Any network device with a MAC address starting 44:A6:89 was manufactured by or for PROMAX ELECTRONICA SA.