👉 Prevoidance is a concept in computer science, specifically related to network protocols and routing. It refers to the process of creating a new network ID (CIDR) for a subnet within a range that has already been assigned by another CIDR. In other words, it is a process where a previously created CIDR allows for an additional subnet to be added to a given subnet without having to reassign it to another CIDR. This can be useful in scenarios where you have multiple IP