Merge pull request stealthcopter#23 from Alamusitl/feature/develop

Update SubnetDevices.java

Author: stealthcopter

library/src/main/java/com/stealthcopter/networktools/SubnetDevices.java

@@ -70,9 +70,10 @@ public static SubnetDevices fromIPAddress(@NonNull final String ipAddress) {
         subnetDevice.addresses.addAll(ARPInfo.getAllIPAddressesInARPCache());
 
         // Add all missing addresses in subnet
+        String segment = ipAddress.substring(0, ipAddress.lastIndexOf(".") + 1);
         for (int j = 0; j < 255; j++) {
-            if (!subnetDevice.addresses.contains(ipAddress + j)) {
-                subnetDevice.addresses.add(ipAddress + j);
+            if (!subnetDevice.addresses.contains(segment + j)) {
+                subnetDevice.addresses.add(segment + j);
             }
         }
 
@@ -160,4 +161,4 @@ public void run() {
         }
     }
 
-}
+}