name : allocate-ipam-pool-cidr.rst **To allocate a CIDR from an IPAM pool** The following ``allocate-ipam-pool-cidr`` example allocates a CIDR from an IPAM pool. (Linux):: aws ec2 allocate-ipam-pool-cidr \ --ipam-pool-id ipam-pool-0533048da7d823723 \ --netmask-length 24 (Windows):: aws ec2 allocate-ipam-pool-cidr ^ --ipam-pool-id ipam-pool-0533048da7d823723 ^ --netmask-length 24 Output:: { "IpamPoolAllocation": { "Cidr": "10.0.0.0/24", "IpamPoolAllocationId": "ipam-pool-alloc-018ecc28043b54ba38e2cd99943cebfbd", "ResourceType": "custom", "ResourceOwner": "123456789012" } } For more information, see `Manually allocate a CIDR to a pool to reserve IP address space <https://docs.aws.amazon.com/vpc/latest/ipam/manually-allocate-ipam.html>`__ in the *Amazon VPC IPAM User Guide*.