Who owns MAC prefix 885D900?

885D900 is registered to FOSHAN HUAGUO OPTICAL CO.,LTD in the IEEE MA-M registry.

What devices use 885D900?

Any network device with a MAC address starting 88:5D:90:0 was manufactured by or for FOSHAN HUAGUO OPTICAL CO.,LTD.

MA-M · OUI prefix

FOSHAN HUAGUO OPTICAL CO.,LTD

Any MAC address starting 88:5D:90:0 is registered to FOSHAN HUAGUO OPTICAL CO.,LTD in CN.

OUI prefix	885D900
Vendor	FOSHAN HUAGUO OPTICAL CO.,LTD
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	88:5D:90:0:00:00:00

What this means

The IEEE assigned the MA-M block 885D900 to FOSHAN HUAGUO OPTICAL CO.,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 88:5D:90:0, it is FOSHAN HUAGUO OPTICAL CO.,LTD hardware.

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