What this means
The IEEE assigned the MA-M block D05F643 to HUAQIN TELECOM HONG KONG 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 D0:5F:64:3, it is HUAQIN TELECOM HONG KONG LTD hardware.
Frequently Asked Questions
Who owns MAC prefix D05F643?
D05F643 is registered to HUAQIN TELECOM HONG KONG LTD in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. HUAQIN TELECOM HONG KONG LTD's block covers 1,048,576 addresses.
What devices use D05F643?
Any network device with a MAC address starting D0:5F:64:3 was manufactured by or for HUAQIN TELECOM HONG KONG LTD.