IPv4 Subnet Calculator – Network, Broadcast & Host Range
Quickly calculate subnet details from an IP address and CIDR notation. This tool helps network engineers, IT students, and system administrators determine subnet structure, optimize IP allocation, and troubleshoot network setups.
- ✔ Calculates network and broadcast addresses
- ✔ Shows usable host range
- ✔ Displays total number of hosts per subnet
- ✔ Ideal for planning, testing, and network management
This tool is perfect for network engineers, system administrators, and IT students who need to quickly calculate subnet details for planning, troubleshooting, or learning purposes. All computations happen instantly in your browser without sending any data online.