**To get the history of a CIDR** The following ``get-ipam-address-history`` example gets the history of a CIDR. (Linux):: aws ec2 get-ipam-address-history \ --cidr 10.0.0.0/16 \ --ipam-scope-id ipam-scope-02fc38cd4c48e7d38 \ --start-time 2021-12-08T01:00:00.000Z \ --end-time 2021-12-10T01:00:00.000Z (Windows):: aws ec2 get-ipam-address-history ^ --cidr 10.0.0.0/16 ^ --ipam-scope-id ipam-scope-02fc38cd4c48e7d38 ^ --start-time 2021-12-08T01:00:00.000Z ^ --end-time 2021-12-10T01:00:00.000Z Output:: { "HistoryRecords": [ { "ResourceOwnerId": "123456789012", "ResourceRegion": "us-west-1", "ResourceType": "vpc", "ResourceId": "vpc-06cbefa9ee907e1c0", "ResourceCidr": "10.0.0.0/16", "ResourceName": "Demo", "ResourceComplianceStatus": "unmanaged", "ResourceOverlapStatus": "overlapping", "VpcId": "vpc-06cbefa9ee907e1c0", "SampledStartTime": "2021-12-08T19:54:57.675000+00:00" }, { "ResourceOwnerId": "123456789012", "ResourceRegion": "us-east-2", "ResourceType": "vpc", "ResourceId": "vpc-042702f474812c9ad", "ResourceCidr": "10.0.0.0/16", "ResourceName": "test", "ResourceComplianceStatus": "unmanaged", "ResourceOverlapStatus": "overlapping", "VpcId": "vpc-042702f474812c9ad", "SampledStartTime": "2021-12-08T19:54:59.019000+00:00" }, { "ResourceOwnerId": "123456789012", "ResourceRegion": "us-east-2", "ResourceType": "vpc", "ResourceId": "vpc-042b8a44f64267d67", "ResourceCidr": "10.0.0.0/16", "ResourceName": "tester", "ResourceComplianceStatus": "unmanaged", "ResourceOverlapStatus": "overlapping", "VpcId": "vpc-042b8a44f64267d67", "SampledStartTime": "2021-12-08T19:54:59.019000+00:00" } ] } For more information, see `View the history of IP addresses <https://docs.aws.amazon.com/vpc/latest/ipam/view-history-cidr-ipam.html>`__ in the *Amazon VPC IPAM User Guide*.