What this means
The IEEE assigned the MA-L block 00040F to Asus Network Technologies, Inc.. 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 00:04:0F, it is Asus Network Technologies, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00040F?
00040F is registered to Asus Network Technologies, Inc. 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. Asus Network Technologies, Inc.'s block covers 16,777,216 addresses.
What devices use 00040F?
Any network device with a MAC address starting 00:04:0F was manufactured by or for Asus Network Technologies, Inc..