What this means
The IEEE assigned the MA-L block 3428F0 to ATN International Limited. 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 34:28:F0, it is ATN International Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 3428F0?
3428F0 is registered to ATN International Limited 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. ATN International Limited's block covers 16,777,216 addresses.
What devices use 3428F0?
Any network device with a MAC address starting 34:28:F0 was manufactured by or for ATN International Limited.