diff --git a/EduNetworkBuilder/NetTest.cs b/EduNetworkBuilder/NetTest.cs
index 34bf618..bb6fb27 100644
--- a/EduNetworkBuilder/NetTest.cs
+++ b/EduNetworkBuilder/NetTest.cs
@@ -533,7 +533,7 @@ namespace EduNetworkBuilder
                     if (tAddr != null &&
                         !tAddr.IsZeroString())
                     {
-                        if(dAddress != null & dAddress.GetMask == tAddr.GetMask)
+                        if(dAddress != null && dAddress.GetMask == tAddr.GetMask)
                             return true;
                     }
                     return false;  //Something is not set right.
diff --git a/EduNetworkBuilder/NetworkDevice.cs b/EduNetworkBuilder/NetworkDevice.cs
index fa09474..4329709 100644
--- a/EduNetworkBuilder/NetworkDevice.cs
+++ b/EduNetworkBuilder/NetworkDevice.cs
@@ -2834,7 +2834,7 @@ namespace EduNetworkBuilder
             string DHCPGW = "";
 
             //Do not ping the zero string.  Should not go anywhere
-            if (dest != null && !dest.IsZeroString())
+            if (dest != null && dest.IsZeroString())
                 return new NB_IPAddress(NB.ZeroIPString);
 
             foreach ( NB_IPAddress ip in RouteTable)