aws ec2 provision-ipam-byoasn
Provisions your Autonomous System Number (ASN) for use in your Amazon Web Services account. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--asn-authorization-contextAn ASN authorization context.--asnA public 2-byte or 4-byte ASN.--dry-runChecks whether you have the required permissions for the action, without actually making the request, and provides an error response.--ipam-idAn IPAM ID.