RDAP client for RFC7482 IP WHOIS lookups supporting database-backed caching
Bidirectional IP address binary converter / IP 地址二进制双向转换器
TypeScript definitions for cidr-matcher
Library to easily call java from node sources. Automatically installs java if not present
inet_ntop() and inet_pton() bindings for Node.js
Efficient mutable set for IP addresses
Node for updating sub domains in Dreamhost DNS

PGP library for renovate
TypeScript-first ip2region implementation with native Node.js addon. Ultra-fast IPv4/IPv6 geolocation queries.
Check, compile, optimize and compress Javascript with Closure-Compiler
Haraka plugin for managing relay permissions
Validates given IPs (IPv4 and IPv6) using [micromatch][] - glob patterns, RegExp, string or array of globs. If match returns the IP, otherwise null.
An IRC client library for node, written in Typescript.
Check if an IPv4 or IPv6 address is contained in the given CIDR subnet
Modern RDAP client and server with RFC compliance, bootstrap service, and h3 integration
A light weight native JavaScript implementation of GeoIP API from MaxMind
A simple but fast implementation of IPv4 and IPv6 ACL filtering.
Get your current public IP address fast and easy.
The lightest signal library.
Expo module implementation of a parser based on https://httpwg.org/specs/rfc8941.html
Software IP routing for Node.js implemented with a Patricia/Radix Tree. IPv4, IPv6 and IPv4 mapped as IPv6 are all supported.
Haraka plugin that scans emails with clamd
Fast CIDR matcher. Given an input IPv4 address, it checks if it's inside a set of IP ranges, expressed in CIDR notation.