Terms of Service

Last updated: February 15, 2026

Important: By accessing and using the SubnettingCalculator IPv4 Subnet Calculator, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service. If you do not agree to these terms, please discontinue use of our services immediately.

1. Acceptance of Terms

These Terms of Service ("Terms") govern your use of the SubnettingCalculator IPv4 Subnet Calculator website and services ("Service") operated by SubnettingCalculator ("us", "we", or "our"). Your access to and use of the Service is conditioned on your acceptance of and compliance with these Terms.

2. Use License

Permission is granted to temporarily download and use the subnet calculator for personal and professional purposes, subject to the following restrictions:

  • This is the grant of a license, not a transfer of title
  • You may not modify or copy the materials
  • You may not use the materials for any commercial purpose without our consent
  • You may not attempt to reverse engineer any software contained on our website
  • You may not remove any copyright or other proprietary notations from the materials

3. Acceptable Use

You agree to use our Service only for lawful purposes and in accordance with these Terms. You agree not to use the Service:

  • In any way that violates applicable federal, state, local, or international law
  • To attempt to gain unauthorized access to any part of the Service
  • To interfere with or disrupt the integrity or performance of the Service
  • To introduce any viruses, trojan horses, worms, or other malicious code

4. Intellectual Property Rights

The Service and its original content, features, and functionality are and will remain the exclusive property of SubnettingCalculator and its licensors. The Service is protected by copyright, trademark, and other laws. Our trademarks and trade dress may not be used without our prior written consent.

5. Disclaimer of Warranties

The information on this website is provided on an "as is" basis. To the fullest extent permitted by law, SubnettingCalculator excludes all representations, warranties, conditions and terms whether express or implied by statute, common law or otherwise including without limitation:

  • Warranties of merchantability and fitness for a particular purpose
  • That the Service will be uninterrupted or error-free
  • That defects will be corrected
  • That the Service is free of viruses or other harmful components

6. Limitation of Liability

In no event shall SubnettingCalculator, its directors, employees, partners, agents, suppliers, or affiliates be liable for any indirect, incidental, special, consequential, or punitive damages, including without limitation, loss of profits, data, use, goodwill, or other intangible losses, resulting from your use of the Service.

7. Accuracy of Network Calculations

While we strive to provide accurate subnet calculations, you acknowledge that:

  • Network configurations should always be verified before implementation
  • The calculator is a tool to assist with planning, not a substitute for professional judgment
  • You are responsible for validating all results before deploying in production environments
  • We recommend testing configurations in a lab environment first

8. Privacy and Data Protection

Your privacy is important to us. Please review our Privacy Policy, which also governs your use of the Service, to understand our practices regarding the collection and use of your information.

9. Modifications 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. What constitutes a material change will be determined at our sole discretion.

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. Upon termination, your right to use the Service will cease immediately.

11. Governing Law

These Terms shall be interpreted and governed by the laws of [Your Jurisdiction], without regard to its conflict of law provisions. Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights.

12. Severability

If any provision of these Terms is held to be invalid or unenforceable by a court, the remaining provisions of these Terms will remain in effect. These Terms constitute the entire agreement between us regarding our Service.

Questions About These Terms?

If you have any questions about these Terms of Service, please contact us through our Contact Page.