[aws] List all the Unattached Elastic IP addresses in all of the Opted-In Regions

check_unattached_EIPs.sh

#!/bin/sh
# id:				check_unattached_EIPs.sh
# author:		nicolas david - nicolas@openlab.fr
#
## version history:
# ----------------------------------------------------------------------------
#			v1.0	nicolas@	Initial Version
#
# ----------------------------------------------------------------------------

for i in $(aws ec2 describe-regions --all-regions | jq -r '.Regions | .[] | .RegionName + " " + .OptInStatus'  | grep -v not-opted-in | cut -d' ' -f1)
do
aws ec2 describe-addresses --query "Addresses[?NetworkInterfaceId == null ].PublicIp" --region $i
done