Who owns MAC prefix 10F3DB?

10F3DB is registered to Gridco Systems, Inc. in the IEEE MA-L registry.

What devices use 10F3DB?

Any network device with a MAC address starting 10:F3:DB was manufactured by or for Gridco Systems, Inc..

MA-L · OUI prefix

Gridco Systems, Inc.

Any MAC address starting 10:F3:DB is registered to Gridco Systems, Inc. in US.

OUI prefix	10F3DB
Vendor	Gridco Systems, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	10:F3:DB:00:00:00

What this means

The IEEE assigned the MA-L block 10F3DB to Gridco Systems, Inc.. 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 10:F3:DB, it is Gridco Systems, Inc. hardware.

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