Who owns MAC prefix D4D7A9?

D4D7A9 is registered to Shanghai Kaixiang Info Tech LTD in the IEEE MA-L registry.

What devices use D4D7A9?

Any network device with a MAC address starting D4:D7:A9 was manufactured by or for Shanghai Kaixiang Info Tech LTD.

MA-L · OUI prefix

Shanghai Kaixiang Info Tech LTD

Any MAC address starting D4:D7:A9 is registered to Shanghai Kaixiang Info Tech LTD in CN.

OUI prefix	D4D7A9
Vendor	Shanghai Kaixiang Info Tech LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D4:D7:A9:00:00:00

What this means

The IEEE assigned the MA-L block D4D7A9 to Shanghai Kaixiang Info Tech 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 D4:D7:A9, it is Shanghai Kaixiang Info Tech LTD hardware.

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