What this means
The IEEE assigned the MA-L block A07771 to Vialis BV. 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 A0:77:71, it is Vialis BV hardware.
Frequently Asked Questions
Who owns MAC prefix A07771?
A07771 is registered to Vialis BV 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. Vialis BV's block covers 16,777,216 addresses.
What devices use A07771?
Any network device with a MAC address starting A0:77:71 was manufactured by or for Vialis BV.