https://cidr.xyz

Interactive visual CIDR and IP range calculatorInstantly compute and visualize CIDR subnets, IP ranges and masks. Free online tool for accurate network design, planning and IT education.Interactive visual CIDR and IP range calculator CIDR.xyzCIDR CalculatorSubnet GuideEmbedGithubCIDR CalculatorSubnet GuideEmbedGithub CIDR Calculator Visualize and Calculate Network Ranges with IPv4 CIDR Blocks .../00001010010110001000011110010000255.255.255.240Netmask10.88.135.144CIDR Base IP10.88.135.159Broadcast IP16Count10.88.135.145First Usable IP10.88.135.158Last Usable IPCopy CIDRCopy Share Link CIDR & Subnetting FAQ What is CIDR? Classless Inter-Domain Routing (CIDR) is a compact way to write IP address ranges and their network masks. Why is CIDR notation useful? It lets network engineers allocate address space precisely, aggregate routes and keep routing tables smaller. How is an IP address structured? An IPv4 address consists of four 8-bit numbers (octets) ranging from 0 to 255, separated by dots. What does the number after the slash mean? The slash value (e.g. /24) shows how many bits belong to the network prefix; the rest identify individual hosts. How does this calculator help? Paste any IP/CIDR and it instantly shows netmask, broadcast address, usable host range and a visual bit map. CIDR.xyz A modern CIDR calculator and subnet visualization tool. © 2026 Magic Monad. All rights reserved. Resources Subnet Guide Embed Widget Privacy Policy Links AI Domain Name Search Immutable Document Timestamps About Source code on Github Created by Yuval Adam Operated by Magic Monadenen1772308081https://cidr.xyz

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