What this means
The IEEE assigned the MA-L block 00A05F to BTG Electronics Design 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 00:A0:5F, it is BTG Electronics Design BV hardware.
Frequently Asked Questions
Who owns MAC prefix 00A05F?
00A05F is registered to BTG Electronics Design 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. BTG Electronics Design BV's block covers 16,777,216 addresses.
What devices use 00A05F?
Any network device with a MAC address starting 00:A0:5F was manufactured by or for BTG Electronics Design BV.