Who owns MAC prefix 001B9A?

001B9A is registered to Apollo Fire Detectors Ltd in the IEEE MA-L registry.

What devices use 001B9A?

Any network device with a MAC address starting 00:1B:9A was manufactured by or for Apollo Fire Detectors Ltd.

MA-L · OUI prefix

Apollo Fire Detectors Ltd

Any MAC address starting 00:1B:9A is registered to Apollo Fire Detectors Ltd.

OUI prefix	001B9A
Vendor	Apollo Fire Detectors Ltd
Registry	MA-L (24-bit, large block)
Example MAC	00:1B:9A:00:00:00

What this means

The IEEE assigned the MA-L block 001B9A to Apollo Fire Detectors Ltd. 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 00:1B:9A, it is Apollo Fire Detectors Ltd hardware.

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