What this means

The IEEE assigned the MA-L block 0020A5 to API ENGINEERING. 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 00:20:A5, it is API ENGINEERING hardware.

Frequently Asked Questions

Who owns MAC prefix 0020A5?

0020A5 is registered to API ENGINEERING 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. API ENGINEERING's block covers 16,777,216 addresses.

What devices use 0020A5?

Any network device with a MAC address starting 00:20:A5 was manufactured by or for API ENGINEERING.