TypeScript client for Proofwire: email, phone and IP validation with three-state verdicts and the evidence behind them.

Providing functionality to check ip validation and convert CIDR notation to IP ranges. also allowing for single ips to be converted to long and back again

A library for parsing IPv4 and IPv6 IP addresses in node and the browser.

A secure-by-default MCP server for fetching web content: SSRF, DNS-rebinding, and redirect-to-internal protection with post-resolution IP validation.

Model Context Protocol server for Proofwire: email, phone and IP validation that tells an agent when it does not know.

Official Node client for Boundstone — phone, email & IP validation you can actually verify.

robust login system using jwt,ip validation

n8n community node for Checkharbor — email/phone/IP validation

A modern, immutable, and zero-dependency library for working with IPv4 and IPv6 addresses in JavaScript and TypeScript.

[](https://www.npmjs.com/package/ip)

Convert IPv4 and IPv6 addresses to and from BigInt

Regular expression for matching IP addresses (IPv4 & IPv6)

A small Node.js module to retrieve the request's IP address

Get your internal IP address

Check if a string is an IP address

Formats 'email', 'ipaddress' and 'url' for convict

TypeScript definitions for ip

A very strict and proper argument parser.

Small package to encode or decode IP addresses from buffers to strings.

Wrap zod validation errors in user-friendly readable messages