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  • License MIT

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

Package Exports

  • ip-address
  • ip-address/dist/ip-address.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (ip-address) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

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ip-address

ip-address is a library for validating and manipulating IPv4 and IPv6 addresses in JavaScript.

Upgrading from 9.x to 10.x

The dependency on jsbn was removed thanks to michal-kocarek. Thanks Michal! For clarity, all methods with BigInteger in the name were renamed to BigInt.

Breaking changes

  • #fromBigInteger() → #fromBigInt(); now returns a native BigInt
  • #bigInteger() → #bigInt(); now returns a native BigInt

Documentation

Documentation is available at ip-address.js.org.

Examples

var Address6 = require('ip-address').Address6;

var address = new Address6('2001:0:ce49:7601:e866:efff:62c3:fffe');

var teredo = address.inspectTeredo();

teredo.client4;    // '157.60.0.1'

Features

  • Usable via CommonJS or ESM
  • Parsing of all IPv6 notations
  • Parsing of IPv6 addresses and ports from URLs with Address6.fromURL(url)
  • Validity checking
  • Decoding of the Teredo information in an address
  • Whether one address is a valid subnet of another
  • What special properties a given address has (multicast prefix, unique local address prefix, etc.)
  • Number of subnets of a certain size in a given address
  • Display methods
    • Hex, binary, and decimal
    • Canonical form
    • Correct form
    • IPv4-compatible (i.e. ::ffff:192.168.0.1)
  • Works in node and the browser (with browserify)
  • ~1,600 test cases

Used by