CIDR Packages

CIDR Calculations

Check if IP belongs to the given subnet

Utils for working with CIDR notation

Classes to manipulate IPv4 addresses/networks + CIDR/VLSM routines

A command line tool to fetch the latest AWS ip ranges, with optional filters for service and or region

node-ipv6 project.

Parse IPv4/IPv6 CIDR

Parse and lookup IP network blocks

Utility for filtering traffic using secret lists of IP ranges

parse and manipulate network addresses

A simple library for converting subnet masks to CIDR notation and vice versa

Rebase CIDR into smaller subnets

Converts IP Address Range to Classless Inter-Domain Routing

get ips/ip range by country code

Getyourbit.com client

An [express.js]( https://github.com/visionmedia/express ) middleware for [cidr]( https://github.com/KanghoonYi/express-cidr ). `Only for IPv4`

Access controls (ACLs) by location as a Connect middleware

cidr-lib - a library to determine whether IPv4 CIDRs/subnets overlap, and sort CIDRs by their binary representation

Check if cidr overlapped.