What this means

The IEEE assigned the MA-L block F4D58A to Palo Alto Networks. 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 F4:D5:8A, it is Palo Alto Networks hardware.

Frequently Asked Questions

Who owns MAC prefix F4D58A?

F4D58A is registered to Palo Alto Networks 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. Palo Alto Networks's block covers 16,777,216 addresses.

What devices use F4D58A?

Any network device with a MAC address starting F4:D5:8A was manufactured by or for Palo Alto Networks.