diff --git a/src/core/formatter.ts b/src/core/formatter.ts
index 50c2203..85ace3f 100644
--- a/src/core/formatter.ts
+++ b/src/core/formatter.ts
@@ -1,4 +1,4 @@
-export default {
+const formatter = {
     formatString: function(num: number, kind: string) : string {
         return num.toString(getBase(kind || "bin"));
     },
@@ -31,4 +31,8 @@ function getBase(kind:string) : number {
     }
 
     throw new Error("Unsupported kind: " + kind);
-}
\ No newline at end of file
+}
+
+export default formatter;
+const emBin = formatter.emBin;
+export {emBin};
\ No newline at end of file
diff --git a/src/networking/models.ts b/src/networking/models.ts
index f58bb53..646efad 100644
--- a/src/networking/models.ts
+++ b/src/networking/models.ts
@@ -1,3 +1,5 @@
+import {emBin} from "../core/formatter";
+
 export type OctetNumber = 1 | 2 | 3 | 4;
 export type NetworkClass = 'a' | 'b' | 'c' | 'd' | 'e';
 
@@ -33,6 +35,11 @@ export class IpAddress {
         return `${this.firstByte}.${this.secondByte}.${this.thirdByte}.${this.fourthByte}`;
     }
 
+    toBinaryString() {
+        
+        return `${emBin(this.firstByte)}).${emBin(this.secondByte)}.${emBin(this.thirdByte)}.${emBin(this.fourthByte)}`;
+    }
+
     clone(): IpAddress {
         return new IpAddress(this.firstByte, this.secondByte, this.thirdByte, this.fourthByte);
     }