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This script allows you to scan a target IP address or IP range to discover live devices on the network by sending ARP requests and collecting their IP and MAC addresses.

To get a copy of this project up and running on your local machine, follow these steps.

• Python 3 installed on your system.
• scapy Python library installed (pip install scapy).
• Appropriate permissions to send network packets (usually requires running as root or with sudo on Linux).

You can clone this repository using HTTPS:

git clone https://github.com/aizazullahdurrani8/python-network-scanner.git

Navigate into the cloned directory and run the script with the required arguments.

• -t or--target: Specify the target IP address or IP range (e.g.,192.168.1.1 or192.168.1.0/24).

To scan the entire subnet192.168.1.0/24:

sudo python3 network_scanner.py -t 192.168.1.0/24

To scan a single IP address192.168.1.105:

sudo python3 network_scanner.py -t 192.168.1.105

The script performs the following actions:

1. Takes Command-Line Arguments: Usesargparse to get the target IP address or range.

2. Sends ARP Requests:

   • Creates an ARP request packet for the specified target(s).
   • Broadcasts the request on the network.
   • Waits for responses from live devices.

3. Collects Responses: Parses the responses to retrieve IP and MAC addresses.

4. Displays Results: Prints a formatted list of all discovered devices with their IP and MAC addresses.

This tool is for educational purposes only. Scanning networks without permission may be illegal or violate network policies. Always ensure you have authorization before performing network scans.