Check whether an IP is in a range

Check whether an IP(v4 or v6) is in an CIDR range

This is a simple module to validate IP address, check ip address version, check if ip is within a range.

A library for converting IP range to CIDRs or CIDR to IP range.

Check if a string is an IP address

TypeScript definitions for cidr-matcher

Utilities for IPv4/IPv6 ranges/subnets/masks parsing/matching, string representations, ...

Code that will validate an IP address for correct format and give additional information about the type of IP address.

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

Range header field string parser

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

Simple utility to convert either CIDR notation or two IP addresses to an array of the range of IP addresses

Module for working with CIDR (v4, v6)

Check installed versions of node and npm

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

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Check if a string is an IP address in CIDR notation

Get your public IP address — very fast!

TypeScript definitions for range-parser

Check if a string is an IP address