Who owns MAC prefix 309FFB?

309FFB is registered to Ardomus Networks Corporation in the IEEE MA-L registry.

What devices use 309FFB?

Any network device with a MAC address starting 30:9F:FB was manufactured by or for Ardomus Networks Corporation.

MA-L · OUI prefix

Ardomus Networks Corporation

Any MAC address starting 30:9F:FB is registered to Ardomus Networks Corporation in TW.

OUI prefix	309FFB
Vendor	Ardomus Networks Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	30:9F:FB:00:00:00

What this means

The IEEE assigned the MA-L block 309FFB to Ardomus Networks Corporation. 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 30:9F:FB, it is Ardomus Networks Corporation hardware.

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