https://github.com/h0llyw00dzz/cidr

The cidr package provides a Go utility for converting CIDR (Classless Inter-Domain Routing) blocks into a range of numeric IP addresses. It is designed to work specifically with IPv4 addresses and is useful for network-related operations such as checking if an IP address falls within a CIDR range.
https://github.com/h0llyw00dzz/cidr

firewall go golang golang-package idiomatic-go ipv4-address network

Last synced: 4 days ago
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The cidr package provides a Go utility for converting CIDR (Classless Inter-Domain Routing) blocks into a range of numeric IP addresses. It is designed to work specifically with IPv4 addresses and is useful for network-related operations such as checking if an IP address falls within a CIDR range.

• Host: GitHub
• URL: https://github.com/h0llyw00dzz/cidr
• Owner: H0llyW00dzZ
• License: bsd-3-clause
• Created: 2024-03-23T15:11:59.000Z (8 months ago)
• Default Branch: master
• Last Pushed: 2024-03-27T02:06:56.000Z (8 months ago)
• Last Synced: 2024-06-21T08:24:48.522Z (5 months ago)
• Topics: firewall, go, golang, golang-package, idiomatic-go, ipv4-address, network
• Language: Go
• Homepage:
• Size: 20.5 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        

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Copyright (©️) 2024 @H0llyW00dzZ All rights reserved.



[![Go Version](https://img.shields.io/badge/1.22.1-gray?style=flat&logo=go&logoWidth=15)](https://github.com/H0llyW00dzZ/cidr/blob/master/go.mod#L3)

[![Go Reference](https://pkg.go.dev/badge/github.com/H0llyW00dzZ/cidr.svg)](https://pkg.go.dev/github.com/H0llyW00dzZ/cidr)

[![Go Report Card](https://goreportcard.com/badge/github.com/H0llyW00dzZ/cidr)](https://goreportcard.com/report/github.com/H0llyW00dzZ/cidr)

The `cidr` package provides a Go utility for converting CIDR (Classless Inter-Domain Routing) blocks into a range of numeric IP addresses. It is designed to work specifically with IPv4 addresses and is useful for network-related operations such as checking if an IP address falls within a CIDR range.

## Features

- Convert CIDR blocks to numeric IP address ranges.

- Handle IPv4 addresses.

- Simple and easy-to-use API.

## Installation

> [!NOTE]

> This requires `go1.22.1+`. The reason it's not supported on older versions (e.g, `go1.21` or `lower`)

> is because `go1.22+` supports range over integers. If you're advanced in Go, you can easily perform mass checking using multiple goroutines or a single goroutine.

To install the `cidr` package, you need to have Go installed on your machine. Use the following go get command to retrieve the package:

```sh

go get github.com/H0llyW00dzZ/cidr

```