Aws ec2 describe-regions --all-regions

aws ec2 describe-regions --all-regions

aws ec2 describe-regions --all-regions | grep RegionName | wc -l
     29

aws ec2 describe-regions --all-regions | grep opt-in-not-required | wc -l
     17

Output

{
    "Regions": [
        {
            "Endpoint": "ec2.ap-south-2.amazonaws.com",
            "RegionName": "ap-south-2",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ap-south-1.amazonaws.com",
            "RegionName": "ap-south-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-south-1.amazonaws.com",
            "RegionName": "eu-south-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.eu-south-2.amazonaws.com",
            "RegionName": "eu-south-2",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.me-central-1.amazonaws.com",
            "RegionName": "me-central-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.il-central-1.amazonaws.com",
            "RegionName": "il-central-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ca-central-1.amazonaws.com",
            "RegionName": "ca-central-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-central-1.amazonaws.com",
            "RegionName": "eu-central-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-central-2.amazonaws.com",
            "RegionName": "eu-central-2",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.us-west-1.amazonaws.com",
            "RegionName": "us-west-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-west-2.amazonaws.com",
            "RegionName": "us-west-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.af-south-1.amazonaws.com",
            "RegionName": "af-south-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.eu-north-1.amazonaws.com",
            "RegionName": "eu-north-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-3.amazonaws.com",
            "RegionName": "eu-west-3",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-2.amazonaws.com",
            "RegionName": "eu-west-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-1.amazonaws.com",
            "RegionName": "eu-west-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-3.amazonaws.com",
            "RegionName": "ap-northeast-3",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-2.amazonaws.com",
            "RegionName": "ap-northeast-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.me-south-1.amazonaws.com",
            "RegionName": "me-south-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ap-northeast-1.amazonaws.com",
            "RegionName": "ap-northeast-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.sa-east-1.amazonaws.com",
            "RegionName": "sa-east-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-east-1.amazonaws.com",
            "RegionName": "ap-east-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ca-west-1.amazonaws.com",
            "RegionName": "ca-west-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ap-southeast-1.amazonaws.com",
            "RegionName": "ap-southeast-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-southeast-2.amazonaws.com",
            "RegionName": "ap-southeast-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-southeast-3.amazonaws.com",
            "RegionName": "ap-southeast-3",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ap-southeast-4.amazonaws.com",
            "RegionName": "ap-southeast-4",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.us-east-1.amazonaws.com",
            "RegionName": "us-east-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-east-2.amazonaws.com",
            "RegionName": "us-east-2",
            "OptInStatus": "opt-in-not-required"
        }
    ]
}

See also

• AWS EC2, AWS::EC2, aws ec2 [ describe-instances | describe-instance-status | run-instances | terminate-instances | stop-instances | tags | describe-vpcs | describe-addresses | describe-availability-zones | describe-subnets | import-key-pair | create-key-pair | create-vpc | create-internet-gateway | modify-instance-attribute | ec2-instance-connect | get-console-output]