ip vs public-ip
IP Address Utilities Comparison
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What's IP Address Utilities?

IP address utilities are essential tools in web development for retrieving and managing IP addresses, whether for server configurations, user location tracking, or network diagnostics. These libraries provide functionalities to obtain local and public IP addresses, making it easier for developers to implement features that rely on IP information. Understanding the differences between these packages can help developers choose the right tool for their specific needs, whether they require local network information or public-facing addresses.

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ip13,268,0861,52715.5 kB85a year agoMIT
public-ip163,7141,03316.5 kB37 months agoMIT
Feature Comparison: ip vs public-ip

Functionality

  • ip:

    The 'ip' package provides a comprehensive set of functions for working with IP addresses, including parsing, validating, and manipulating both IPv4 and IPv6 addresses. It allows for subnet calculations, CIDR notation handling, and offers utilities for converting between different representations of IP addresses.

  • public-ip:

    The 'public-ip' package focuses on retrieving the public IP address of the machine. It does this by making a request to external services that return the public IP. It is straightforward and designed specifically for this purpose, making it easy to integrate into applications that need to display or utilize the public IP.

Use Cases

  • ip:

    Ideal for applications that require detailed manipulation of IP addresses, such as network tools, server configurations, or applications that need to perform operations based on local network addresses. It is also useful in scenarios where subnetting and IP range calculations are necessary.

  • public-ip:

    Best suited for applications that need to display or log the public IP address of users or servers. Common use cases include web applications that track user locations, APIs that require IP address information, or services that need to identify the public-facing address for outgoing requests.

Complexity

  • ip:

    The 'ip' package has a moderate complexity level due to its extensive functionality. While it provides powerful tools for IP address manipulation, it may require a deeper understanding of networking concepts to utilize effectively, especially for complex operations.

  • public-ip:

    The 'public-ip' package is simple and easy to use, with minimal configuration required. It abstracts the complexity of making external requests to fetch the public IP, making it accessible for developers who may not have extensive networking knowledge.

Dependencies

  • ip:

    The 'ip' package has minimal dependencies, making it lightweight and easy to integrate into projects without adding significant overhead. This is beneficial for performance-sensitive applications where every byte counts.

  • public-ip:

    The 'public-ip' package may rely on external services to retrieve the public IP, which can introduce variability in response times and availability. However, it remains lightweight in terms of direct dependencies.

Community and Support

  • ip:

    The 'ip' package has a solid community and is widely used in various applications, which means it is likely to have good documentation and community support for troubleshooting and feature requests.

  • public-ip:

    The 'public-ip' package, while simpler, also benefits from community usage, but it may have less extensive documentation compared to more complex libraries. However, its straightforward nature means that developers can quickly find solutions to common use cases.

How to Choose: ip vs public-ip
  • ip:

    Choose 'ip' if you need a lightweight library primarily for handling local IP addresses and subnet calculations. It is ideal for applications that require manipulation and analysis of IP addresses within a local network context.

  • public-ip:

    Choose 'public-ip' if your primary requirement is to retrieve the public IP address of the machine running the application. This package is suitable for applications that need to identify the external IP address for purposes like user location tracking or API integrations.

Similar Npm Packages to ip

ip is a versatile npm package that provides utilities for working with IP addresses in Node.js applications. It allows developers to parse, validate, and manipulate IP addresses easily, supporting both IPv4 and IPv6 formats. This package is particularly useful for applications that require network-related functionalities, such as determining the client's IP address, validating user input, or performing IP address calculations.

While the ip package offers a comprehensive set of features, there are alternatives available that focus on specific use cases. One notable alternative is:

  • public-ip is a simple and lightweight package designed specifically for retrieving the public IP address of the machine running the code. It provides a straightforward API to fetch the public IP from various services, making it an excellent choice for applications that need to determine the public-facing IP address without the additional functionalities offered by the ip package. If your primary requirement is to get the public IP address quickly and easily, public-ip is a great option.

For a detailed comparison of these packages, check out the following link: Comparing ip vs public-ip.

Similar Npm Packages to public-ip

public-ip is an npm package that allows developers to easily retrieve the public IP address of the machine running the code. This can be particularly useful for applications that need to identify the external IP address for logging, analytics, or networking purposes. The package is straightforward to use and works seamlessly across different environments, making it a popular choice for developers looking to access public IP information.

While public-ip is a solid choice, there are alternatives available that offer similar functionality. Here are a couple of noteworthy options:

  • ip is a versatile npm package that provides utilities for working with IP addresses. It can parse, validate, and manipulate IP addresses, making it suitable for a variety of networking tasks. Although it doesn't specifically focus on retrieving public IP addresses, it can be used in conjunction with other methods to achieve similar results. If you need a more comprehensive toolkit for handling IP addresses beyond just fetching the public IP, the ip package is a great option.
  • ipware is another npm package designed to help developers retrieve the client's IP address in Node.js applications. It provides a simple interface for extracting the IP address from incoming requests, including support for various headers that may contain the IP address (like X-Forwarded-For). If your application is focused on web requests and you need to determine the client's IP address, ipware is a solid alternative to consider.

To see how public-ip compares with ip and ipware, check out the comparison: Comparing public-ip vs ip vs ipware.

README for ip

IP

IP address utilities for node.js

Installation

npm

npm install ip

git

git clone https://github.com/indutny/node-ip.git

Usage

Get your ip address, compare ip addresses, validate ip addresses, etc.

var ip = require('ip');

ip.address() // my ip address
ip.isEqual('::1', '::0:1'); // true
ip.toBuffer('127.0.0.1') // Buffer([127, 0, 0, 1])
ip.toString(new Buffer([127, 0, 0, 1])) // 127.0.0.1
ip.fromPrefixLen(24) // 255.255.255.0
ip.mask('192.168.1.134', '255.255.255.0') // 192.168.1.0
ip.cidr('192.168.1.134/26') // 192.168.1.128
ip.not('255.255.255.0') // 0.0.0.255
ip.or('192.168.1.134', '0.0.0.255') // 192.168.1.255
ip.isPrivate('127.0.0.1') // true
ip.isV4Format('127.0.0.1'); // true
ip.isV6Format('::ffff:127.0.0.1'); // true

// operate on buffers in-place
var buf = new Buffer(128);
var offset = 64;
ip.toBuffer('127.0.0.1', buf, offset);  // [127, 0, 0, 1] at offset 64
ip.toString(buf, offset, 4);            // '127.0.0.1'

// subnet information
ip.subnet('192.168.1.134', '255.255.255.192')
// { networkAddress: '192.168.1.128',
//   firstAddress: '192.168.1.129',
//   lastAddress: '192.168.1.190',
//   broadcastAddress: '192.168.1.191',
//   subnetMask: '255.255.255.192',
//   subnetMaskLength: 26,
//   numHosts: 62,
//   length: 64,
//   contains: function(addr){...} }
ip.cidrSubnet('192.168.1.134/26')
// Same as previous.

// range checking
ip.cidrSubnet('192.168.1.134/26').contains('192.168.1.190') // true


// ipv4 long conversion
ip.toLong('127.0.0.1'); // 2130706433
ip.fromLong(2130706433); // '127.0.0.1'

License

This software is licensed under the MIT License.

Copyright Fedor Indutny, 2012.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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