What this means
The IEEE assigned the MA-L block 2839E7 to Preceno Technology 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 28:39:E7, it is Preceno Technology Pte.Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 2839E7?
2839E7 is registered to Preceno Technology 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. Preceno Technology Pte.Ltd.'s block covers 16,777,216 addresses.
What devices use 2839E7?
Any network device with a MAC address starting 28:39:E7 was manufactured by or for Preceno Technology Pte.Ltd..