diff --git a/CIDR.cs b/CIDR.cs
index beaa81a..2f757e3 100644
--- a/CIDR.cs
+++ b/CIDR.cs
@@ -12,6 +12,7 @@ using System.Net;
 using System.Linq;
 using System.Collections.Generic;
 using System.Collections;
+using Newtonsoft.Json;
 
 namespace ln.types
 {
@@ -34,7 +35,7 @@ namespace ln.types
                     return new CIDR(ip, w);
                 }
             }
-            return new CIDR(ip);
+            return new CIDR(ip,32);
         }
 
         private readonly uint _ip;
@@ -42,6 +43,7 @@ namespace ln.types
 
         public int MaskWidth => (int)getNetWidth(_netmask);
         public CIDR Network => new CIDR(_ip & _netmask, _netmask);
+        public CIDR Host => new CIDR(_ip, 0xffffffff);
 
         public byte[] IPBytes
         {
@@ -77,11 +79,11 @@ namespace ln.types
             this._netmask = maskFromWidth(maskwidth);
         }
 
-        public CIDR(IPAddress ip, uint maskwidth)
-        {
-            _ip = BitConverter.ToUInt32(ip.GetAddressBytes().Reverse().ToArray(), 0);
-            _netmask = maskFromWidth(maskwidth);
-        }
+        //public CIDR(IPAddress ip, uint maskwidth)
+        //{
+        //    _ip = BitConverter.ToUInt32(ip.GetAddressBytes().Reverse().ToArray(), 0);
+        //    _netmask = maskFromWidth(maskwidth);
+        //}
 
         public CIDR(IPAddress ip, IPAddress mask)
         {
@@ -134,11 +136,11 @@ namespace ln.types
 
         public static implicit operator IPAddress(CIDR cidr)
         {
-            return new IPAddress(cidr._ip);
+            return new IPAddress( cidr.IPBytes );
         }
         public static implicit operator CIDR(IPAddress iPAddress)
         {
-            return new CIDR(iPAddress);
+            return new CIDR(BitConverter.ToUInt32(iPAddress.GetAddressBytes().Reverse().ToArray(),0),0xFFFFFFFF);
         }
 
         public bool Contains(CIDR you)
@@ -203,5 +205,34 @@ namespace ln.types
             }
         }
 
+
+        static bool ___init = ____init();
+        static bool ____init()
+        {
+            List<JsonConverter> converters = new List<JsonConverter>();
+            converters.Add(new CIDRJsonConverter());
+            JsonConvert.DefaultSettings = () => new JsonSerializerSettings { Converters = converters };
+            return true;
+        }
+
     }
+
+    public class CIDRJsonConverter : JsonConverter
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return (objectType == typeof(CIDR));
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            return CIDR.Parse(reader.ReadAsString());
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            writer.WriteValue((value as CIDR).ToString());
+        }
+    }
+
 }
diff --git a/ln.types.csproj b/ln.types.csproj
index c322e9a..672f856 100644
--- a/ln.types.csproj
+++ b/ln.types.csproj
@@ -31,6 +31,9 @@
     <Reference Include="System.Xml.Serialization" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Xml" />
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\packages\Newtonsoft.Json.12.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -58,5 +61,8 @@
       <Name>ln.logging</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/packages.config b/packages.config
new file mode 100644
index 0000000..8ebaf08
--- /dev/null
+++ b/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net47" />
+</packages>
\ No newline at end of file
diff --git a/serialize/ObjectReader.cs b/serialize/ObjectReader.cs
index 2ba9041..2dab33d 100644
--- a/serialize/ObjectReader.cs
+++ b/serialize/ObjectReader.cs
@@ -50,8 +50,12 @@ namespace ln.types.serialize
             {
                 ListReplacement listReplacement = (ListReplacement)replacement;
 
-                object list = Activator.CreateInstance(typeof(List<>).MakeGenericType(new Type[] { listReplacement.elementType }), new object[] { listReplacement.elements });
-                return list;
+                IList ilist = (IList)Activator.CreateInstance(typeof(List<>).MakeGenericType(new Type[] { listReplacement.elementType }));
+
+                foreach (object e in listReplacement.elements)
+                    ilist.Add(e);
+
+                return ilist;
 
             } else if (replacement is DictionaryReplacement)
             {