Who owns MAC prefix 0005FA?

0005FA is registered to IPOptical, Inc. in the IEEE MA-L registry.

What devices use 0005FA?

Any network device with a MAC address starting 00:05:FA was manufactured by or for IPOptical, Inc..

MA-L · OUI prefix

IPOptical, Inc.

Any MAC address starting 00:05:FA is registered to IPOptical, Inc. in US.

OUI prefix	0005FA
Vendor	IPOptical, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:05:FA:00:00:00

What this means

The IEEE assigned the MA-L block 0005FA to IPOptical, 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 00:05:FA, it is IPOptical, Inc. hardware.

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