What this means
The IEEE assigned the MA-L block 404229 to Layer3TV, 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 40:42:29, it is Layer3TV, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 404229?
404229 is registered to Layer3TV, 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. Layer3TV, Inc's block covers 16,777,216 addresses.
What devices use 404229?
Any network device with a MAC address starting 40:42:29 was manufactured by or for Layer3TV, Inc.