What this means
The IEEE assigned the MA-L block 201F31 to Inteno Broadband Technology 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 20:1F:31, it is Inteno Broadband Technology AB hardware.
Frequently Asked Questions
Who owns MAC prefix 201F31?
201F31 is registered to Inteno Broadband Technology 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. Inteno Broadband Technology AB's block covers 16,777,216 addresses.
What devices use 201F31?
Any network device with a MAC address starting 20:1F:31 was manufactured by or for Inteno Broadband Technology AB.