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Find Public and Remote IP in C#

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Find Public IP of System in C#

Namespace - using system.NET

string url = "http://checkip.dyndns.org";
System.Net.WebRequest req = System.Net.WebRequest.Create(url);
System.Net.WebResponse resp = req.GetResponse();
System.IO.StreamReader sr = new System.IO.StreamReader(resp.GetResponseStream());
string response = sr.ReadToEnd().Trim();
string[] a = response.Split(':');
string a2 = a[1].Substring(1);
string[] a3 = a2.Split('<');
string publicip = a3[0].ToString();

Find Remote IP of system in C#

String hostName = System.Net.Dns.GetHostName();
IPHostEntry localIpAddresses = Dns.GetHostEntry(hostName);
string localip = localIpAddresses.AddressList[1].ToString();