Who owns MAC prefix 001D5D?

001D5D is registered to Control Dynamics Pty. Ltd. in the IEEE MA-L registry.

What devices use 001D5D?

Any network device with a MAC address starting 00:1D:5D was manufactured by or for Control Dynamics Pty. Ltd..

MA-L · OUI prefix

Control Dynamics Pty. Ltd.

Any MAC address starting 00:1D:5D is registered to Control Dynamics Pty. Ltd. in AU.

OUI prefix	001D5D
Vendor	Control Dynamics Pty. Ltd.
Registry	MA-L (24-bit, large block)
Country	AU
Example MAC	00:1D:5D:00:00:00

What this means

The IEEE assigned the MA-L block 001D5D to Control Dynamics Pty. 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 00:1D:5D, it is Control Dynamics Pty. Ltd. hardware.

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