What devices use 90A9F77?

Any network device with a MAC address starting 90:A9:F7:7 was manufactured by or for GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD..

MA-M · OUI prefix

GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD.

Q: Who owns MAC prefix 90A9F77?

90A9F77 is registered to GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD. in the IEEE MA-M registry.

Any MAC address starting 90:A9:F7:7 is registered to GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD. in CN.

OUI prefix	90A9F77
Vendor	GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	90:A9:F7:7:00:00:00

What this means

The IEEE assigned the MA-M block 90A9F77 to GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY 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 90:A9:F7:7, it is GUANGDONG KERUIDE ELECTRICAL TECHNOLOGY CO., LTD. hardware.

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