CIDR to IP Range Calculator Net Guides, December 14, 2024December 19, 2024 CIDR (Classless Inter-Domain Routing) notation is a compact method used to represent IP address ranges in computer networks. While efficient, CIDR notation like “192.168.1.0/24” can be challenging to interpret quickly. Our CIDR to IP Range Calculator transforms these technical notations into clear, usable network information, helping you instantly understand your network’s IP range, usable addresses, and subnet details. CIDR to IP Range Calculator Enter CIDR Notation: Format: IPv4 address followed by prefix length (1-32) Network Address – Copy Broadcast Address – Copy First Usable IP – Copy Last Usable IP – Copy Subnet Mask – Copy Total IP Addresses – Usable IP Addresses – Binary Subnet Mask – What is CIDR and Why Does it Matter? CIDR (Classless Inter-Domain Routing) notation is a compact way to specify IP address ranges in computer networks. While powerful and efficient, CIDR notation (like 192.168.1.0/24) can be challenging to interpret at a glance. Our calculator bridges this gap, instantly translating CIDR notation into practical network information that network administrators, IT professionals, and developers can use. Understanding CIDR Notation CIDR notation consists of two parts: An IP address (e.g., 192.168.1.0) A prefix length (e.g., /24) indicating how many bits are used for the network portion For example, 192.168.1.0/24 represents: A network starting at 192.168.1.0 With 256 total IP addresses (192.168.1.0 to 192.168.1.255) Including 254 usable addresses for devices How Our CIDR to IP Range Calculator Helps? Our CIDR calculator simplifies network planning and configuration by providing: Instant IP Range Information Network and broadcast addresses First and last usable IP addresses Total number of available IPs Subnet mask in decimal and binary Practical Applications Network design and segmentation Firewall rule configuration Access control list (ACL) setup IP address allocation planning Subnet configuration Key Benefits Real-time calculations Easy-to-copy results Clear error validation Mobile-friendly interface Who Should Use This CIDR to IP Range Calculator? Network Administrators Planning network segmentation Configuring routers and switches Managing IP address allocation Security Professionals Setting up firewall rules Configuring network security policies Defining access control lists Developers Configuring cloud resources Setting up development environments Managing container networks IT Students Learning networking concepts Understanding subnetting Practicing network design How to Use the CIDR to IP Range Calculator? Enter your CIDR notation (e.g., 192.168.1.0/24) Results are calculated automatically Use the copy buttons to easily transfer values Check for any validation errors in red Understanding the Results The calculator provides: Network Information Network Address: The starting address of your network Broadcast Address: The last address in your network First Usable IP: The first address available for devices Last Usable IP: The last address available for devices Technical Details Subnet Mask: The mask defining your network boundaries Total IPs: The complete number of addresses in the range Usable IPs: The number of addresses available for devices Binary Subnet Mask: The binary representation for advanced configuration Best Practices When using this calculator for network planning: Start with your total address requirements Consider future growth needs Account for reserved addresses (network, broadcast) Document your network segments Verify configurations before implementation Enjoyed this CIDR to IP Range Calculator? Then be sured to check out our other network guides. Best Wi-Fi 7 Router Best 10Gb Router Network Tools ipnetwork