Calculate subnet masks, network addresses, broadcast addresses, usable host ranges, and IP address allocations from IP addresses and CIDR notation (/24, /16, etc.) for comprehensive network planning. Features IPv4 and IPv6 support, binary conversions, subnet splitting, supernetting analysis, and network capacity planning. Essential for network administrators, IT professionals, system engineers, and cybersecurity specialists designing networks, troubleshooting connectivity, planning IP allocation, and understanding subnetting for certifications.
Use the Subnet Calculator (CIDR) to subnet masks, network addresses, broadcast addresses, usable host ranges, and IP address allocations from IP addresses and CIDR notation (/24, /16, etc.) for comprehensive network planning. Features IPv4 and IPv6 support, binary conversions, subnet splitting, supernetting analysis, and network capacity planning. Essential for network administrators, IT professionals, system engineers, and cybersecurity specialists designing networks, troubleshooting connectivity, planning IP allocation, and understanding subnetting for certifications.. Enter your values to get accurate, instant results tailored to your situation.
Free technology calculators for bandwidth, storage, screen resolution, and more. Optimize your digital experience.