Subnet Calculator
This Quick Subnet Calculator is a practical tool for swift, precise subnet calculations. Enter an IPv4 and CIDR notation or Subnet mask, and get details like Network Address, Broadcast Address, valid hosts, Wildcard Mask, and Usable IP range. It even classifies the IP into classes (A, B, C, D, E) and determines whether it’s a Private or WAN IP. It’s your all-in-one solution for subnet calculations.
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What is a Subnet?
A subnet, or subnetwork, is a subdivision of an IP network. It allows a single network to be partitioned into smaller segments, each operating as its own independent network. This helps improve network performance and security by managing traffic efficiently.