diff --git a/machines/serializers.py b/machines/serializers.py
index fc258a4d..709ad627 100644
--- a/machines/serializers.py
+++ b/machines/serializers.py
@@ -1,16 +1,35 @@
 #Augustin Lemesle
 
 from rest_framework import serializers
-from machines.models import Interface, IpType
+from machines.models import Interface, IpType, Extension, IpList, MachineType
 
-class InterfaceSerializer( serializers.ModelSerializer):
+class IpTypeField(serializers.RelatedField):
+    def to_representation(self, value):
+        return value.type
+
+class IpListSerializer(serializers.ModelSerializer):
+    ip_type = IpTypeField(read_only=True)
+
+    class Meta:
+        model = IpList
+        fields = ('ipv4', 'ip_type')
+
+class InterfaceSerializer(serializers.ModelSerializer):
+    ipv4 = IpListSerializer(read_only=True)
+   
     class Meta:
         model = Interface
-        fields = ('ipv4', 'mac_address', 'dns', 'type')
+        fields = ('ipv4', 'mac_address', 'dns')
+
+class ExtensionNameField(serializers.RelatedField):
+    def to_reprsentation(self,value):
+        return value.name
 
 class TypeSerializer(serializers.ModelSerializer):
+    extension = ExtensionNameField(read_only=True)
+
     class Meta:
         model = IpType
-        fields = ('type', 'extension')
+        fields = ('type', 'extension', 'domaine_ip', 'domaine_range')
 
 
diff --git a/machines/views.py b/machines/views.py
index b855a4cb..6aaed798 100644
--- a/machines/views.py
+++ b/machines/views.py
@@ -449,26 +449,10 @@ def history(request, object, id):
 
 class JSONResponse(HttpResponse):
     def __init__(self, data, **kwargs):
-        for d in data:
-            if d["ipv4"]:
-                ip = IpList.objects.get(pk=d["ipv4"])
-                d["ipv4"]= ip.__str__()
-                d["type"]= ip.ip_type.__str__()
-                d["extension"] = ip.ip_type.extension.__str__()
         content = JSONRenderer().render(data)
         kwargs['content_type'] = 'application/json'
         super(JSONResponse, self).__init__(content, **kwargs)
 
-class JSONRespType(HttpResponse):
-    def __init__(self, data, **kwargs):
-        for d in data:
-            if d["extension"]:
-                extension = Extension.objects.get(pk=d["extension"])
-                d["extension"]=extension.__str__()
-        content = JSONRenderer().render(data)
-        kwargs['content_type'] = 'application/json'
-        super(JSONRespType, self).__init__(content, **kwargs)
-
 @csrf_exempt
 @login_required
 @permission_required('serveur')
@@ -510,7 +494,7 @@ def mac_ip_dns(request):
 @permission_required('serveur')
 def corresp(request):
     seria = type_list(request)
-    return JSONRespType(seria)
+    return JSONResponse(seria)
 
 @csrf_exempt
 def login_user(request):