Get the native extranet IP and intranet IP

Get the native extranet IP

1   //get the public IP of this machine2          Public Static stringGetIP ()3         {4             stringTempip ="";5             Try6             {7WebRequest request = WebRequest.Create ("http://ip.qq.com/");8Request. Timeout =10000;9WebResponse response =request. GetResponse ();TenStream Resstream =Response. GetResponseStream (); OneStreamReader sr =NewStreamReader (Resstream, System.Text.Encoding.Default); A                 stringHtmlinfo =Sr. ReadToEnd (); -                 //Regular expressions that match an IP -Regex r =NewRegex ("((25[0-5]|2[0-4]\\d|1\\d\\d|[ 1-9]\\d|\\d) \ \.) {3} (25[0-5]|2[0-4]\\d|1\\d\\d| [1-9]\\d| [1-9])", regexoptions.none); theMatch MC =R.match (htmlinfo); -                 //get the IP that matches to -Tempip = MC. groups[0]. Value; -  + resstream.close (); - Sr. Close (); +             } A             Catch(Exception Err) at             { -Tempip =Err. Message; -             } -             returnTempip; -}

Get the native intranet IP

 //Get intranet IP        Private stringGetinternalip () {Iphostentry host; stringLocalip ="?"; Host=Dns.gethostentry (Dns.gethostname ()); foreach(IPAddress IPinchhost. AddressList) {if(IP. addressfamily.tostring () = ="Internetwork") {Localip=IP.                    ToString ();  Break; }            }            returnLocalip; }

Get the native extranet IP and intranet IP