Get routing information from VPCs

# Get the routing info from the VPC.
aws ec2 describe-route-tables --filters "Name=vpc-id,Values=vpc-xxxxxxx" --region us-east-1
{
    "RouteTables": [
        {
            "Associations": [
                {
                    "Main": true,
                    "RouteTableAssociationId": "rtbassoc-4112743e",
                    "RouteTableId": "rtb-xxxxxx"
                }
            ],
            "PropagatingVgws": [],
            "RouteTableId": "rtb-xxxxxx",
            "Routes": [
                {
                    "DestinationCidrBlock": "10.0.0.0/16",
                    "GatewayId": "local",
                    "Origin": "CreateRouteTable",
                    "State": "active"
                },
                {
                    "DestinationPrefixListId": "pl-02cd2c6b",
                    "GatewayId": "vpce-xxxxxx",
                    "Origin": "CreateRoute",
                    "State": "active"
                }
            ],
            "Tags": [],
            "VpcId": "vpc-xxxxxx"
        }
    ]
}