Terms of Service

Last updated: October 2025

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1. Acceptance of Terms

By accessing and using this Subnet Calculator ("the Service"), you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.

2. Service Description

The Subnet Calculator is a web-based tool designed to help network administrators, IT professionals, students, and engineers calculate subnet information, plan VLSM configurations, and perform CIDR calculations.

The Service provides three main features:

  • CIDR Calculator: Calculate network details from CIDR notation
  • Subnet Splitter: Split networks into equal-sized subnets
  • VLSM Planner: Plan Variable Length Subnet Masking configurations

3. Privacy and Data Security

All calculations are performed locally in your browser. No network data or calculation results are transmitted to our servers or stored anywhere.

  • • No personal information is collected or required
  • • No network configurations are transmitted externally
  • • No usage data is tracked or analytics collected
  • • All processing happens client-side for maximum privacy

4. Use License

Permission is granted to temporarily use the Subnet Calculator for personal, educational, and commercial networking purposes. This is the grant of a license, not a transfer of title, and under this license you may not:

  • modify or copy the materials
  • use the materials for any commercial purpose other than calculating subnets
  • attempt to reverse engineer any software contained in the website
  • remove any copyright or other proprietary notations

5. Disclaimer

The materials on the Subnet Calculator are provided on an 'as is' basis. The tool is designed to provide accurate subnet calculations, but users should always verify results for critical network deployments.

The operators make no warranties, expressed or implied, and hereby disclaim and negate all other warranties including without limitation implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property or other violation of rights.

6. Limitations

In no event shall the Subnet Calculator 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 the materials, even if the Subnet Calculator or its authorized representative has been notified orally or in writing of the possibility of such damage.

7. Terms of Use Modifications

The Subnet Calculator may revise these terms of service for its website at any time without notice. By using this website, you are agreeing to be bound by the then current version of these terms of service.

8. Governing Law

These terms and conditions are governed by and construed in accordance with the laws and you irrevocably submit to the exclusive jurisdiction of the courts.

9. Contact Information

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

Developer: blazejwrobel.eu