- List all IP's and ssh keys
aws --region us-west-2 ec2 describe-instances --query \
'Reservations[].Instances[].[PublicIpAddress,KeyName]'- List all public IP's matching SSH key:
aws --region us-west-2 ec2 describe-instances --query \
'Reservations[].Instances[?KeyName==`stefhen-rightscale`].PublicIpAddress'