What this means
The IEEE assigned the MA-L block B47F5E to Foresight Manufacture (S) Pte Ltd. 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 B4:7F:5E, it is Foresight Manufacture (S) Pte Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix B47F5E?
B47F5E is registered to Foresight Manufacture (S) Pte Ltd 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. Foresight Manufacture (S) Pte Ltd's block covers 16,777,216 addresses.
What devices use B47F5E?
Any network device with a MAC address starting B4:7F:5E was manufactured by or for Foresight Manufacture (S) Pte Ltd.