diff --git a/src/app/backend/berechnung.ts b/src/app/backend/berechnung.ts
index ed3667a..9c9e476 100644
--- a/src/app/backend/berechnung.ts
+++ b/src/app/backend/berechnung.ts
@@ -15,18 +15,18 @@ export class Berechnung {
       }
       this.binArr.push(tmp);
     });
-    return this.binArr.join(".")
+    return this.binArr.join(" ")
   }
 
   binToDec(bin: string) {
     var arr = bin.split(" ")
     alert(arr)
     let binNum = ""
-    for (let index = 0; index < arr.length; index++) {
-      binNum += parseInt(arr[index], 2).toString();
+    for (let index = 0; index < arr.length - 1; index++) {
+      binNum += parseInt(arr[index], 2).toString() + ".";
 
     }
-    return binNum;
+    return binNum.slice(0, -1);
 
   }
 
@@ -36,7 +36,7 @@ export class Berechnung {
   }
 
   broadCastBin(binIp: string, prefix: number) {
-    var arr = binIp.split('.');
+    var arr = binIp.split(' ');
     let prefixIp = arr.join("");
     let hostbin = prefixIp.slice(0, prefix);
     hostbin = hostbin + "1".repeat(32 - prefix);