Find all active IP addresses in a network (DOS command): FOR /L %i IN (1,1,254) DO ping -n 1 192.168.1.%i | FIND /i "Reply">> C:\Users\anshb\Desktop\ipaddresses.txt Networking Tutorials: https://www.javatpoint.com/computer-network-tutorial https://www.geeksforgeeks.org/computer-network-tutorials/ https://www.lantronix.com/resources/networking-tutorials/ https://www.softwaretestinghelp.com/computer-networking-basics/ https://www.tutorialspoint.com/data_communication_computer_network/index.htm https://www.tutorialspoint.com/computer_fundamentals/computer_networking.htm https://www.youtube.com/watch?v=QKfk7YFILws https://www.coursera.org/browse/information-technology/networking https://www.coursera.org/specializations/networking-basics https://www.imedita.com/blog/top-networking-courses/ Books: https://www.amazon.in/DATA-COMMUNICATIONS-NETWORKING-Behrouz-Forouzan/dp/0070634149 https://www.amazon.in/Computer-Networks-5e-5th-Tanenbaum/dp/9332518742 https://www.amazon.in/Networking-All-One-Reference-Dummies%C2%AE/dp/0470179155 https://www.amazon.in/TCP-Illustrated-Protocols-Addison-Wesley-Professional-ebook/dp/B00666M52S https://www.amazon.com/Network-Warrior-Everything-Need-Wasnt/dp/1449387861 https://www.amazon.in/CCENT-ICND1-100-105-Official-Guide/dp/1587205807 https://www.amazon.in/Cryptography-Network-Security-Principles-Practice/dp/0133354695 https://www.amazon.in/Cryptography-Network-Security-Atul-Kahate/dp/1259029883