CIDR Packages

Utility for expanding CIDR blocks into lists of IP addresses

Efficient CIDR blocks matching for IPv6 and IPv4.

IPv6/IPv4 address parsing and manipulation

Lib for partitioning IPv4 and IPv6 CIDR blocks into smaller slices.

Node.js library for processing IP addresses

A daily updated library to detect IPv4 / IPv6 bogons

IPIP.net database patches (IP Range of CIDR)

## Install

Check if a string is an IP subnet in CIDR notation

A utility library for manipulating IPv4 and IPv6 address in Node.js.

check if an ip is within range

An IP address manipulation library

A bitwise operations Javascript IP calculator

Some useful Ip and network commands

Fastify plugin that restricts access according to IP address/subnet allow and block lists.

Fast tool for checking if an IP is contained within a list of CIDRs/IPs

cidr-tools but up to 20x faster

20x faster cidr-tools, IPv4 only