IP Toolkit

A lightweight, browser-based IP address lookup tool that combines the functionality of my-ip and ip-whois in a single page.

It detects your public IP address on load and lets you look up registration and network information for any IPv4 or IPv6 address — including the assigned organization, network range, and abuse contact when available.

This project is the successor to my-ip and ip-whois.

Features

• 🌐 Detect your public IPv4/IPv6 address automatically
• 🔎 Look up any IPv4 or IPv6 address
• 🏢 Show the registered organization / network owner
• 📡 Display network and registry information
• 🚨 Extract abuse contact details when available
• 🔗 Shareable deep links such as ?ip=8.8.8.8
• 📋 Copy the current lookup URL with one click
• 🧾 Inspect raw API responses
• 📱 Responsive layout
• 🌙 Automatic dark mode via prefers-color-scheme
• ♿ Keyboard-friendly focus states, reduced-motion support, and ARIA live feedback
• 🧩 No framework, build process, backend, or package installation required

How it works

The application runs entirely in the browser.

1. On page load, it requests the visitor's public IP and basic IP information from ipwho.is.
2. When an IP address is searched, the app queries RDAP to retrieve registry data.
3. RDAP bootstraps the request to the authoritative Regional Internet Registry (RIR), with an ARIN endpoint available as a fallback.
4. The response is parsed in the browser and presented as structured information instead of embedding a third-party WHOIS page.

No application server is required.

APIs

Purpose	Service	Endpoint	API key
Public IP + IP information	ipwho.is	https://ipwho.is/	No
Registry / registration data	RDAP	https://rdap.org/ip/{ip}	No
Registry fallback	ARIN RDAP	https://rdap.arin.net/registry/ip/{ip}	No

Both services impose rate limits on free/public usage. For higher-traffic deployments, consider adding a small proxy and caching RDAP responses.

Privacy

This is a client-side application, but lookup requests are sent from the browser to the external APIs listed above. Do not treat the project as an offline or zero-third-party-data tool.

Deep links

You can open a specific lookup directly by adding the IP address to the URL:

https://your-domain.example/?ip=8.8.8.8

The Copy link action generates a URL in the same format so a lookup can be shared with someone else.

Project structure

The project intentionally stays small:

.
├── index.html
├── icon.png
└── README.md

There is no build step and no dependency installation. The main application is contained in index.html.

Deploy with GitHub Pages

Because the application is static, it can be deployed directly from GitHub Pages.

1. Create or use a repository for this project.
2. Push index.html and the accompanying assets.
3. Open Settings → Pages.
4. Deploy from the main branch and the repository root.

Why this repository exists

The original projects had separate responsibilities:

• my-ip focused on showing the visitor's own IP address.
• ip-whois focused on IP WHOIS / registration lookups.

IP Toolkit combines those two workflows into one interface so a user does not need to switch between separate pages or projects.

Changes from my-ip

• Replaced the original HTTP lookup flow with HTTPS-based ipwho.is requests.
• Reduced the page's external UI dependencies by moving the styling into the page.
• Added visible error and fallback states instead of relying only on console errors.
• Integrated registry lookup into the same page.

Changes from ip-whois

• Replaced the APNIC jwhois.pl iframe approach with RDAP lookups.
• Uses RDAP JSON responses so registry data can be parsed and displayed as structured fields.
• Validates IPv4 and IPv6 input before sending a lookup request.
• Extracts abuse-contact information from RDAP entity data when available.

Shared improvements

• One search field and one unified interface
• Deep-link support
• Copyable lookup URLs
• Responsive design
• Dark mode
• Accessibility-focused interaction details
• Raw API response inspection

Roadmap

Possible future improvements:

• Reverse DNS lookup
• Domain WHOIS / RDAP lookup
• Reputation / blocklist checks
• Bulk IP lookup from logs or pasted text
• Better caching and an optional proxy for higher traffic

Related repositories

• my-ip — original public-IP page
• ip-whois — original IP WHOIS lookup page

Those repositories are kept as historical predecessors of this project. New development should happen here.

License

See the repository's LICENSE file for licensing information.