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

Detailed notes on networking basics, including the OSI model, TCP/IP model, protocols, network devices, and troubleshooting techniques for aspiring network engineers.

List all IP addresses within a CIDR block.

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

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

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

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

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?

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

Provides helper (extension)methods for working with IPNetworks

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.