Who owns MAC prefix 0023F9?

0023F9 is registered to Double-Take Software, INC. in the IEEE MA-L registry.

What devices use 0023F9?

Any network device with a MAC address starting 00:23:F9 was manufactured by or for Double-Take Software, INC..

MA-L · OUI prefix

Double-Take Software, INC.

Any MAC address starting 00:23:F9 is registered to Double-Take Software, INC. in US.

OUI prefix	0023F9
Vendor	Double-Take Software, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:23:F9:00:00:00

What this means

The IEEE assigned the MA-L block 0023F9 to Double-Take Software, 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 00:23:F9, it is Double-Take Software, INC. hardware.

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