What this means
The IEEE assigned the MA-L block 143FA6 to Sony Home Entertainment&Sound Products 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 14:3F:A6, it is Sony Home Entertainment&Sound Products Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 143FA6?
143FA6 is registered to Sony Home Entertainment&Sound Products 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. Sony Home Entertainment&Sound Products Inc's block covers 16,777,216 addresses.
What devices use 143FA6?
Any network device with a MAC address starting 14:3F:A6 was manufactured by or for Sony Home Entertainment&Sound Products Inc.