What this means
The IEEE assigned the MA-L block EC8439 to BITMAIN DEVELOPMENT 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 EC:84:39, it is BITMAIN DEVELOPMENT PTE. LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix EC8439?
EC8439 is registered to BITMAIN DEVELOPMENT 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. BITMAIN DEVELOPMENT PTE. LTD.'s block covers 16,777,216 addresses.
What devices use EC8439?
Any network device with a MAC address starting EC:84:39 was manufactured by or for BITMAIN DEVELOPMENT PTE. LTD..