Easily turn single threaded command line applications into a fast, multi-threaded application with CIDR and glob support.

CIDR country-level IP data, straight from the Regional Internet Registries, updated hourly. This is a read-only mirror.

Tools to work with IPv4 and IPv6 CIDR

Convert CIDR blocks to constituent IP addresses

List all IP addresses within a CIDR block.

Current CIDR-formatted list of unwanted bots caught on my systems.

Master networking fundamentals and advance your skills with comprehensive notes on communication protocols, OSI models, TCP/IP, and more. Perfect for beginners and professionals alike. Start learning and building your networking expertise today! 🌐🚀

Inspect and subtract CIDR blocks

🕵🏻‍♀️ A little tool for checking if an IP is within GitHub's published IP ranges

Convert IP address range to CIDR

🔨 List IP ranges of: Google, Bing, Amazon and Cloudfront, Microsoft, Azure, Oracle, DigitalOcean, GitHub, Facebook, Twitter, Linode, Yandex, Vkontakte, Telegram, Netflix, Valve, Spotify, ChatGPT, YouTube with regular auto-updates for Shadowsocks (user rules) in ACL (Access Control List) format.

Minimal PHP library to manage IP addresses, subnets, netmasks, etc. without additional dependencies

A subnet, or subnetwork, is a network inside a network. Subnets make networks more efficient. Through subnetting, network traffic can travel a shorter distance without passing through unnecessary routers to reach its destination.

A gem for converting an IP range to CIDR subnets

42 students, embark on a networking adventure with NetPractice! Master the secrets of IPv4 addressing and conquer subnetting challenges. Whether you're a coding prodigy or a networking enthusiast, this repository is designed just for you. Ready to dive into the world of routing tables and hands-on subnetting?

Provides helper (extension)methods for working with IPNetworks

🔨 List IP ranges of: Google, Bing, Amazon and Cloudfront, Microsoft, Azure, Oracle, DigitalOcean, GitHub, Facebook, Twitter, Linode, Yandex, Vkontakte, Telegram, Netflix, Valve, Spotify, ChatGPT, YouTube with regular auto-updates

Network utility library for use in Project Tauro

CIDR to IP range converter is an online tool that helps you convert CIDR notation into a list of individual IP addresses that are part of the specified range

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