Who owns MAC prefix 447F77?

447F77 is registered to Connected Home in the IEEE MA-L registry.

What devices use 447F77?

Any network device with a MAC address starting 44:7F:77 was manufactured by or for Connected Home.

MA-L · OUI prefix

Connected Home

Any MAC address starting 44:7F:77 is registered to Connected Home.

OUI prefix	447F77
Vendor	Connected Home
Registry	MA-L (24-bit, large block)
Example MAC	44:7F:77:00:00:00

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.

Other Connected Home prefixes

Connected Home holds 2 registered blocks in total.

1C7328

Look up another MAC