Net Commander supercharges Visual Studio Code for Network Engineers, DevOps Engineers and Solution Architects streamlining everyday workflows and accelerating data-driven root-cause analysis.

cidr-tools but up to 20x faster

Fragmented Classless Inter-Domain Routing (FCIDR)

go implementation of ipcalc

This CIDR Calculator script efficiently computes IP address ranges from CIDR notations, featuring a user-friendly interface and multilingual help options for enhanced accessibility.

A modern, object-oriented TypeScript library for representing and performing arithmetic on IP addresses and subnets.

CIDR (Classless Inter-Domain Routing) calculators are simple tools to assist you to calculate a block of IP addresses.

🚀 The ultimate network engineer's toolkit. Awesome networking resources, CIDR calculators, ASN lookups, IPv6 cheat sheets, BGP routing guides, and DNS troubleshooting. Powered by IPSuite.io

Subnetter provides a basic deconstruction of CIDR Notation for you subnet needs.

Code for CIDR Conflict Calculator for IBM Cloud Classic Infrastructure

Web utility tools privacy focused

An Intuitive and easy to use Subnet Calculator written in C#.

System and Developer Utilities

Subnet/CIDR calculator for your terminal — calculate network addresses, split subnets, check IP containment

Free CIDR & Subnet Calculator for network engineers

Educational Java CLI tool for number-system conversion and IPv4 CIDR usable-host calculation.

Free IPv4 subnet calculator, aspect ratio calculator, WCAG color contrast checker - 100% client-side - Live at https://calc.hjlabs.in

🌐 Fast Go CLI tool for CIDR network calculations and subnet analysis. Parse networks, calculate subnets, generate text/HTML reports.

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A CIDR calculator web app.