Subnetcalculator

Terms of Service

Last updated: August 2, 2025

📋 Agreement to Terms

By using SubnetCalculator.dev, you agree to these terms of service. If you don't agree with any part of these terms, please don't use our service.

1. Description of Service

SubnetCalculator.dev provides a free online subnet calculator tool that helps network engineers, developers, and IT professionals:

  • Calculate IP address ranges and CIDR notation
  • Determine subnet masks and network boundaries
  • Plan cloud network architectures (AWS, GCP, Azure)
  • Compare and analyze different subnets
  • Access educational content about networking and subnetting

2. Acceptance of Terms

By accessing and using SubnetCalculator.dev, you accept and agree to be bound by the terms and provision of this agreement. These terms apply to all visitors, users, and others who access or use the service.

3. Use License

Permission is granted to temporarily use SubnetCalculator.dev for:

  • Personal Use: Individual subnet calculations and network planning
  • Commercial Use: Professional network design and infrastructure planning
  • Educational Use: Learning about networking concepts and subnetting
  • Research Use: Academic or professional research purposes

This license does NOT include the right to:

  • Modify or copy the materials without permission
  • Use the materials for any commercial purpose without attribution
  • Attempt to reverse engineer or extract the source code
  • Remove any copyright or other proprietary notations

4. Disclaimer

⚠️ Important Notice

SubnetCalculator.dev is provided "as is" for informational and educational purposes. While we strive for accuracy, always verify critical network calculations independently before implementing in production environments.

The information and calculations provided by SubnetCalculator.dev are:

  • For Reference Only: Results should be verified before use in production networks
  • Not Guaranteed: We don't warrant the accuracy, completeness, or reliability of any information
  • Subject to Change: Features and functionality may be updated or modified

5. Limitations

In no event shall SubnetCalculator.dev or its suppliers be liable for any damages (including, without limitation, damages for loss of data or profit, or due to business interruption) arising out of the use or inability to use SubnetCalculator.dev, even if SubnetCalculator.dev or its authorized representative has been notified orally or in writing of the possibility of such damage.

6. Accuracy of Materials

The materials appearing on SubnetCalculator.dev could include technical, typographical, or photographic errors. SubnetCalculator.dev does not warrant that any of the materials on its website are accurate, complete, or current. SubnetCalculator.dev may make changes to the materials contained on its website at any time without notice.

7. Prohibited Uses

You may not use SubnetCalculator.dev:

  • For any unlawful purpose or to solicit others to perform unlawful acts
  • To violate any international, federal, provincial, or state regulations, rules, laws, or local ordinances
  • To infringe upon or violate our intellectual property rights or the intellectual property rights of others
  • To harass, abuse, insult, harm, defame, slander, disparage, intimidate, or discriminate
  • To submit false or misleading information
  • To upload or transmit viruses or any other type of malicious code
  • To spam, phish, pharm, pretext, spider, crawl, or scrape
  • For any obscene or immoral purpose
  • To interfere with or circumvent the security features of SubnetCalculator.dev

8. User-Generated Content

If you submit any content to SubnetCalculator.dev (such as comments or feedback), you grant us a non-exclusive, royalty-free, perpetual, and worldwide license to use, modify, and display such content for the purpose of operating and improving our service.

9. Privacy Policy

Your privacy is important to us. Please review our Privacy Policy, which also governs your use of SubnetCalculator.dev, to understand our practices.

10. Termination

We may terminate or suspend your access immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach the Terms of Service.

11. Changes to Terms

We reserve the right, at our sole discretion, to modify or replace these Terms at any time. If a revision is material, we will try to provide at least 30 days notice prior to any new terms taking effect.

12. Intellectual Property

The service and its original content, features, and functionality are and will remain the exclusive property of SubnetCalculator.dev and its licensors. The service is protected by copyright, trademark, and other laws.

13. Governing Law

These Terms shall be interpreted and governed by the laws of the jurisdiction in which SubnetCalculator.dev operates, without regard to its conflict of law provisions.

14. Contact Information

If you have any questions about these Terms of Service, please contact us:

✅ Fair Use

SubnetCalculator.dev is designed to be a helpful tool for the networking community. We encourage responsible use and appreciate feedback to help us improve the service for everyone.

By using SubnetCalculator.dev, you acknowledge that you have read and understood these Terms of Service and agree to be bound by them.