What this means
The IEEE assigned the MA-L block 447F77 to Connected Home. 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 44:7F:77, it is Connected Home hardware.
Frequently Asked Questions
Who owns MAC prefix 447F77?
447F77 is registered to Connected Home 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. Connected Home's block covers 16,777,216 addresses.
What devices use 447F77?
Any network device with a MAC address starting 44:7F:77 was manufactured by or for Connected Home.