Deprovision a CIDR provisioned from an IPAM pool. If you deprovision a CIDR from a pool that has a source pool, the CIDR is recycled back into the source pool. For more information, see <a href="https://docs.aws.amazon.com/vpc/latest/ipam/depro-pool-cidr-ipam.html">Deprovision pool CIDRs</a> in the <i>Amazon VPC IPAM User Guide</i>.