What this means
The IEEE assigned the MA-L block A424B3 to FlatFrog Laboratories AB. 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 A4:24:B3, it is FlatFrog Laboratories AB hardware.
Frequently Asked Questions
Who owns MAC prefix A424B3?
A424B3 is registered to FlatFrog Laboratories AB 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. FlatFrog Laboratories AB's block covers 16,777,216 addresses.
What devices use A424B3?
Any network device with a MAC address starting A4:24:B3 was manufactured by or for FlatFrog Laboratories AB.