GeoIP Lookup Server

A simple web application to lookup geographic information from IP addresses using the geoip-lite module for Node.js.

Features

• Look up geographic information by IP address
• Display country, region, city, timezone, and coordinates
• Simple and clean web interface
• Fast and efficient local lookups using geoip-lite

Installation

1. Clone or navigate to the project directory:

cd geoip-server

2. Install dependencies:

npm install

Usage

1. Start the server:

npm start

2. Open your browser and navigate to:

http://localhost:3000

3. Enter an IP address in the input field (e.g., 8.8.8.8) and click "Lookup"

API Endpoint

The server provides a REST API endpoint:

GET /api/ip/:ip

Returns JSON data containing geographic information for the specified IP address.

Example request:

GET http://localhost:3000/api/ip/8.8.8.8

Example response:

{
  "ip": "8.8.8.8",
  "country": "US",
  "region": "CA",
  "city": "Mountain View",
  "timezone": "America/Los_Angeles",
  "coordinates": {
    "latitude": 37.4056,
    "longitude": -122.0775
  },
  "metro": 807,
  "area": 650,
  "raw": { ... }
}

Technologies Used

• Node.js - Runtime environment
• Express - Web framework
• geoip-lite - IP geolocation library

Project Structure

geoip-server/
├── server.js           # Express server and API routes
├── public/
│   └── index.html      # Frontend web interface
├── package.json        # Dependencies and scripts
├── README.md          # This file
└── .gitignore         # Git ignore rules

License

ISC