What this means
The IEEE assigned the MA-L block 404022 to ZIV. 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 40:40:22, it is ZIV hardware.
Frequently Asked Questions
Who owns MAC prefix 404022?
404022 is registered to ZIV 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. ZIV's block covers 16,777,216 addresses.
What devices use 404022?
Any network device with a MAC address starting 40:40:22 was manufactured by or for ZIV.