Who owns MAC prefix 001771?

001771 is registered to APD Communications Ltd in the IEEE MA-L registry.

What devices use 001771?

Any network device with a MAC address starting 00:17:71 was manufactured by or for APD Communications Ltd.

MA-L · OUI prefix

APD Communications Ltd

Any MAC address starting 00:17:71 is registered to APD Communications Ltd.

OUI prefix	001771
Vendor	APD Communications Ltd
Registry	MA-L (24-bit, large block)
Example MAC	00:17:71:00:00:00

What this means

The IEEE assigned the MA-L block 001771 to APD Communications 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 00:17:71, it is APD Communications Ltd hardware.

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