static void Main(string[] args)
{
// Find your Account Sid and Auth Token at twilio.com/user/account
string AccountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
string AuthToken = "your_auth_token";
var twilio = new TwilioRestClient(AccountSid, AuthToken);
var ipAccessControlListMapping = twilio.CreateIpAccessControlListMapping("SD32a3c49700934481addd5ce1659f04d2", "AL95a47094615fe05b7c17e62a7877836c");
Console.WriteLine(ipAccessControlListMapping.Sid);
}