Whether you’re a developer running network simulations or a QA engineer testing how your app handles traffic from multiple sources, having access to a random IP generator can be a lifesaver. These tools allow you to quickly and easily generate random IP addresses without needing to write custom scripts or pay for expensive services.

In this post, we’ll explore five free, web-based IP generators that are perfect for testing purposes. Each tool lets you simulate different IPs on the fly—ideal for load testing, analytics tools, or simply filling mock data in your applications. Best of all, they’re completely free to use, require no downloads, and support instant access from your browser.

What Is a Random IP Generator?

A random IP generator is a simple tool that creates random IP addresses—usually for testing, development, or educational purposes. These tools help simulate traffic from various sources by mimicking different IPs without the need for real devices or network setups.

Most IP address generators work with IPv4 addresses (like 192.168.0.1), though some also support IPv6. Depending on the tool, you might be able to control IP ranges, exclude private addresses, or generate addresses based on specific IP classes (like Class A, B, or C).

🧪 Who Uses These Tools?

• Developers: Test how applications respond to traffic from different IPs.
• QA testers: Simulate data coming from global users without needing VPNs or proxies.
• Educators: Use them for classroom demos or training environments.
• Security teams: Populate honeypots or simulate penetration testing environments.

🔍 Random vs. Fake IPs

It’s important to note: while these generators produce random IP addresses, they’re not “fake” in a technical sense. They mimic real formats, but they don’t represent active devices unless used in a live network environment.

Top 5 Random IP Generators (Free & Browser-Based)

1. Browserling Random IP Generator

   URL: browserling.com/tools/random-ip

   Supports: IPv4 only

   • Pros: No ads or login, custom IP ranges, fast and minimalist
   • Cons: IPv4 only, no export/download, no advanced filtering

2. IPVoid Random IP Generator

   URL: ipvoid.com/random-ip

   Supports: IPv4 (IPv6 via separate tool)

   • Pros: Free and easy, adjustable IP count, reliable source
   • Cons: IPv4-only, no range/filtering options, no copy/export button

3. LambdaTest Random IP Generator

   URL: lambdatest.com/free-online-tools/random-ip-generator

   Supports: IPv4 and IPv6

   • Pros: Supports both IP versions, range selection, copy and download options
   • Cons: Limit of 100 IPs, no combined IPv4/IPv6 generation, part of a broader platform

4. Testsigma Random IP Generator

   URL: testsigma.com/free-tools/random-ip-generator

   Supports: IPv4 only

   • Pros: Fast and simple, built for testers, no setup required
   • Cons: Max 25 IPs, no IPv6, no export/download

5. Eternitech Random IP Generator

   URL: eternitech.com/online-tools/random-ip-generator

   Supports: IPv4 and IPv6

   • Pros: Supports large batches, range input, export options
   • Cons: May lag on huge lists, busy interface, no API or automation

How to Generate Random IPs Safely

1. Use for Testing and Simulation Only: These are not for spoofing or anonymity—they are just placeholder text for development.
2. Avoid Public or Active IP Ranges: Stick to safe internal ranges like:
   • 192.168.0.0 – 192.168.255.255
   • 10.0.0.0 – 10.255.255.255
   • 172.16.0.0 – 172.31.255.255
3. Protect Your Own IP During Live Testing: Use isolated or containerized environments to avoid exposure.
4. Clearly Label and Document Test Data: Mark any IPs used in logs or databases as test data to avoid confusion.
5. Don’t Mistake These Tools for Privacy Solutions: They do not hide your actual IP. For anonymity, use VPNs or proxies.