[](https://www.npmjs.org/package/example)
Regular expression for matching IP addresses in CIDR notation
Check if a string is an IP address in CIDR notation
A library for manipulating IPv4 and IPv6 addresses in JavaScript.
TypeScript definitions for cidr-matcher
Tools to work with IPv4 and IPv6 CIDR
Module for working with CIDR (v4, v6)
Fast CIDR matcher. Given an input IPv4 address, it checks if it's inside a set of IP ranges, expressed in CIDR notation.
IPv6/IPv4 address parsing and manipulation
Check whether an IP(v4 or v6) is in an CIDR range
A library for converting IP range to CIDRs or CIDR to IP range.
Check if a string is an IP address
Split facility for CIDRs.
IPv4 and IPv6 address and cidr range utilities
Heroku plugin to manage Heroku Private Spaces
JavaScript class for calculating all possible subnets, subnet validity, ip range
cidr-tools but up to 20x faster
A javascript library to manipulate CIDR blocks
[](https://www.npmjs.org/package/example)
[](https://www.npmjs.com/package/ip)
CIDR IP operations
CIDR Calculations
Create a whitelist for IP addresses, CIDR for a serverless application, using serverless resource policies
Check if an IPv4 or IPv6 address is contained in the given CIDR subnet