Get IP address by query whatismyip.com

  

using System;
using System.Collections.Generic;
using System.Net;
using System.Text;

class Util
{
    public static IEnumerable<T> ForEach<T>(this IEnumerable<T> source, Action<T> act)
    {
        foreach (T element in source) act(element);
        return source;
    }

    public static string GetIPAddress()
    {
        IPAddress ip = GetExternalIp();
        if (ip == null)
            return Dns.GetHostEntry(Dns.GetHostName()).HostName;
        return Dns.GetHostEntry(ip).HostName;
    }

    private static IPAddress GetExternalIp()
    {
        try
        {
            string whatIsMyIp = "http://www.whatismyip.com/faq/automation.asp";
            WebClient wc = new WebClient();
            string requestHtml = Encoding.UTF8.GetString(wc.DownloadData(whatIsMyIp));
            return IPAddress.Parse(requestHtml);
        }
        catch
        {
            return null;
        }
    }
}

1.	IPAddress AddressFamily
2.	Parse an IPAddress
3.	Loopback IPAddress
4.	Broadcast IPAddress
5.	Any IPAddress
6.	None IPAddress
7.	IsLoopback IPAddress
8.	IP Address parse, lookup
9.	IPEndPoint sample
10.	Get Host By Name, Get Host Name
11.	Get Host Entry
12.	Parse Host String
13.	Get Current Ip Address
14.	Get Host IP Address
15.	Get Local IP Address
16.	IP to value
17.	Get user IP from HttpContext
18.	IP to Uint
19.	UInt32 To IP Address
20.	IP Address To UInt 32
21.	Get IP address from notation (xxx.xxx.xxx.xxx) or hostname
22.	Gets my local IP address (not necessarily external) and subnet mask
23.	Returns true if the IPEndPoint supplied is on the same subnet as this host
24.	Is Ip Address By Regular Expression
25.	Checks if a given string is a valid IP address.
26.	IP Address To Number
27.	Get the description of a Enum value.
28.	Get Subnet Mask
29.	Get Available Socket Port

Get IP address by query whatismyip.com : IP Address « Network « C# / C Sharp

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