**To provision an address range** The following ``provision-byoip-cidr`` example provisions a public IP address range for use with AWS. :: aws ec2 provision-byoip-cidr \ --cidr 203.0.113.25/24 \ --cidr-authorization-context Message="$text_message",Signature="$signed_message" Output:: { "ByoipCidr": { "Cidr": "203.0.113.25/24", "State": "pending-provision" } } For more information about creating the messages strings for the authorization context, see `Bring Your Own IP Addresses <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-byoip.html>`__ in the *Amazon EC2 User Guide*.