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IP Subnet Calculator

Calculate network ranges, subnet masks, and CIDR notation

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About IP Subnet Calculator

Calculate subnet information for IPv4 addresses including network ranges, broadcast addresses, and available hosts.

Common Uses:

  • • Network design and planning
  • • Troubleshooting connectivity
  • • Security zone segmentation

Features:

  • • Real-time validation
  • • CIDR/subnet mask conversion
  • • Complete network information