Who owns MAC prefix ACE97F?

ACE97F is registered to IoT Tech Limited in the IEEE MA-L registry.

What devices use ACE97F?

Any network device with a MAC address starting AC:E9:7F was manufactured by or for IoT Tech Limited.

MA-L · OUI prefix

IoT Tech Limited

Any MAC address starting AC:E9:7F is registered to IoT Tech Limited.

OUI prefix	ACE97F
Vendor	IoT Tech Limited
Registry	MA-L (24-bit, large block)
Example MAC	AC:E9:7F:00:00:00

What this means

The IEEE assigned the MA-L block ACE97F to IoT Tech Limited. 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 AC:E9:7F, it is IoT Tech Limited hardware.

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