AWS S3 Bucket Policy to protect a bucket web access by IP (Range)

BucketPolicy.json

{
    "Version": "2012-10-17",
    "Id": "Policy1550216993456",
    "Statement": [
        {
            "Sid": "Stmt1550216977234",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::my-site/*",
            "Condition": {
                "IpAddress": {
                    "aws:SourceIp": "80.242.123.0/24"
                }
            }
        }
    ]
}