Welcome to subnetting.net!

Use this site to learn and practice subnetting. If you are taking CCNA training or studying for the Network+ certification, subnetting practice is an essential requirement. Subnetting.net provides a wide range of practice questions in the 'Practice' section and also in our timed subnetting quiz. Don't foul out though, when the clock is running, you better bring your A-Game!


Announcements

Mar 10, 2014: Improved Enter key functionality for auto-answer and auto-advance. See Tips & Tricks for more details.

Mar 4, 2014: Create your own account! Now you can track all of your scores, jump to a particular question type, and build up your "Career Points". Click on the Free Account link for more details.

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☆ Top 10 High Scores ☆
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RankAll Star NameScore
1Peter3Name57
2Russ53
3Cannabista52
4Jakub51
5Pavel48
6Ranjani48
7TWGT46
8Mallikarjun46
9sarath45
10Lou45