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 Ping p = new Ping();
            byte[] buffer = new byte[32];
            int timeout = 10000;
            PingOptions pingOptions = new PingOptions();
        

                //PING1//  

                for(int i = 0;i < zu_Pingende_Adressen.Length;i++)
                  {       
                    PingReply reply1 = p.Send(zu_Pingende_Adressen[i], timeout, buffer, pingOptions);
                  }