How do I view my networks Subnet Mask?

Updated: 01/24/2018 by Computer Hope

Below are the steps on how to view your networks Subnet Mask from within the Windows command line.

  1. Open the Windows command line (DOS).
  2. At the command line type ipconfg and press enter. Which gives you your Windows IP configuration as shown below.

Windows command line running ipconfig

Within this command output you'll see the local Subnet Mask address, as shown above as For most home and network users this will by your Subnet Mask address. Keep in mind that this is your local network Subnet Mask. If you're connecting to the Internet and want to view the Subnet Mask your ISP is using you'll need to view the properties of your network router through the router setup.

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