Get the real IP IP countries provinces regions of thieves program

This method is not very efficient, if used in WEB, if used less can be used this way, if often, or recommended to use the IP library

 
#region## Get real IP And location details  
///<summary> 
///  Get real IP And location details ( Porschev )  
///</summary> 
///<returns></returns> 
public string GetIpDetails() 
{ 
string url = "http://www.ip138.com/ips8.asp"; // Set up access IP Address and country source url  
string regStr = "(?<=<td\\s*align=\\\"center\\\">)[^<]*?(?=<br/><br/></td>)"; 
string ipRegStr = "((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)"; //IP regular  
string ip = string.Empty; //IP address  
string country = string.Empty; // countries  
string adr = string.Empty; // Provinces and cities  
string html = GetHtml(url); // Get the source  
Regex reg = new Regex(regStr, RegexOptions.None); 
Match ma = reg.Match(html); html = ma.Value; 
Regex ipReg = new Regex(ipRegStr, RegexOptions.None); 
ma = ipReg.Match(html); 
ip = ma.Value; // get IP 
int index = html.LastIndexOf(" : ") + 1; 
country = html.Substring(index); // By the national  
adr = GetAdrByIp(ip); 
return "IP : " + ip + "  Countries: " + country + "  Provinces and cities: " + adr; 
} 
#endregion 

#region## through IP get IP Provinces and cities  
///<summary> 
///  through IP get IP Province ( Porschev )  
///</summary> 
///<param name="ip"></param> 
///<returns></returns> 
public string GetAdrByIp(string ip) 
{ 
string url = "http://www.cz88.net/ip/?ip=" + ip; 
string regStr = "(?<=<span\\s*id=\\\"cz_addr\\\">).*?(?=</span>)"; 
string html = GetHtml(url); // Get the source  
Regex reg = new Regex(regStr, RegexOptions.None); 
Match ma = reg.Match(html); 
html = ma.Value; 
string[] arr = html.Split(''); 
return arr[0]; 
} 
#endregion 

#region## To obtain HTML Source of information  
///<summary> 
///  To obtain HTML Source of information (Porschev) 
///</summary> 
///<param name="url"> Get the address </param> 
///<returns>HTML The source code </returns> 
public string GetHtml(string url) 
{ 
Uri uri = new Uri(url); 
WebRequest wr = WebRequest.Create(uri); 
Stream s = wr.GetResponse().GetResponseStream(); 
StreamReader sr = new StreamReader(s, Encoding.Default); 
return sr.ReadToEnd(); 
} 
#endregion