Who owns MAC prefix F89955?

F89955 is registered to Fortress Technology Inc in the IEEE MA-L registry.

What devices use F89955?

Any network device with a MAC address starting F8:99:55 was manufactured by or for Fortress Technology Inc.

MA-L · OUI prefix

Fortress Technology Inc

Any MAC address starting F8:99:55 is registered to Fortress Technology Inc.

OUI prefix	F89955
Vendor	Fortress Technology Inc
Registry	MA-L (24-bit, large block)
Example MAC	F8:99:55:00:00:00

What this means

The IEEE assigned the MA-L block F89955 to Fortress Technology 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 F8:99:55, it is Fortress Technology Inc hardware.

Look up another MAC