Subnet Calculator for Local-Area-Network(LAN)

Subnet-Calculator/README.md

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+This repository consists of a list of python scripts to automate few tasks.
+
+You can contribute by adding more python scripts which can be used to automate things. Some of already done are listed below.
+Incase you have anything to be followed while executing the python script mention it as well
+
+
+# Python Script
+
+## Script  - Subnet Calculator
+
+Python code to Identify your IP addresses, Subnet, Broadcast channel of all you LAN interfaces.
+subnet_calculator.py
+
+# How to Use
+pip install psutil / pip install requirements.txt
+
+python3 subnet_calculator.py
+
+
+<!-- Updated README links and corrected typos -->
+<!-- Updated README links and corrected typos -->

Subnet-Calculator/requirements.txt

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+psutil

Subnet-Calculator/subnet_calculator.py

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+import psutil
+import ipaddress
+
+def get_network_info():
+    network_info = {}
+    for interface, addrs in psutil.net_if_addrs().items():
+        for addr in addrs:
+            # 2 represents IPv4
+            if addr.family == 2:
+                # Collect information only for IPv4 addresses
+                network_info[interface] = (addr.address, addr.netmask, addr.broadcast)
+    return network_info
+
+def calculate_subnet_details(ip, netmask):
+    # Convert IP and netmask to ipaddress objects
+    network = ipaddress.ip_network(f"{ip}/{netmask}", strict=False)
+    subnet = network.network_address
+    broadcast = network.broadcast_address
+    first_usable_ip = subnet + 1
+    last_usable_ip = broadcast - 1
+    return subnet, broadcast, first_usable_ip, last_usable_ip
+
+def main():
+    network_info = get_network_info()
+
+    for interface, (ip, netmask, broadcast) in network_info.items():
+        subnet, broadcast, first_usable_ip, last_usable_ip = calculate_subnet_details(ip, netmask)
+        print(f"Interface: {interface}")
+        print(f"IP Address: {ip}")
+        print(f"Subnet: {subnet}")
+        print(f"Netmask: {netmask}")
+        print(f"Range of IP addresses: {subnet} - {broadcast}")
+        print(f"Usable Range of IPs: {first_usable_ip} - {last_usable_ip}")
+        print(f"Broadcast: {broadcast}")
+        print()
+
+if __name__ == "__main__":
+    main()