Subnet Calculator
Professional IP subnet calculator. Determine CIDR notation, subnet masks, usable host ranges, and broadcast addresses for network planning.
Advertisement
Ready...
About Subnet Calculator
Simplify Network Planning
Calculating subnets manually is prone to error. Our IPv4 Subnet Calculator provides all the essential details for a given IP and prefix, including the network address and usable host IP range.
- CIDR Support: Enter IP with /24, /27, etc., to see instant results.
- Sysadmin Essential: Quickly verify routing tables and DHCP pool ranges.