What this means
The IEEE assigned the MA-L block 004072 to Applied Innovation Inc.. 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 00:40:72, it is Applied Innovation Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 004072?
004072 is registered to Applied Innovation Inc. 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. Applied Innovation Inc.'s block covers 16,777,216 addresses.
What devices use 004072?
Any network device with a MAC address starting 00:40:72 was manufactured by or for Applied Innovation Inc..