What this means
The IEEE assigned the MA-L block A4D9A4 to neXus ID Solutions 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 A4:D9:A4, it is neXus ID Solutions AB hardware.
Frequently Asked Questions
Who owns MAC prefix A4D9A4?
A4D9A4 is registered to neXus ID Solutions 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. neXus ID Solutions AB's block covers 16,777,216 addresses.
What devices use A4D9A4?
Any network device with a MAC address starting A4:D9:A4 was manufactured by or for neXus ID Solutions AB.