Explore the intricacies of network subnetting and supernetting in this comprehensive 21-minute video tutorial. Learn how to effectively divide networks into subnets and combine them into supernets, essential skills for managing IP addresses in both cloud and on-premises environments. Dive into practical demonstrations of subnetting in AWS VPC, including creating public and private subnets for web applications and databases. Understand the reverse process of supernetting and its applications in simplifying routing for ISPs and large organizations. Gain insights into CIDR notation, scalable network planning, and avoiding IP range conflicts. Master these crucial networking concepts to build more efficient, secure, and manageable network infrastructures.