diff --git a/machines/serializers.py b/machines/serializers.py
index 7b058d95..fc258a4d 100644
--- a/machines/serializers.py
+++ b/machines/serializers.py
@@ -1,10 +1,16 @@
+#Augustin Lemesle
+
 from rest_framework import serializers
-from machines.models import Interface
+from machines.models import Interface, IpType
 
 class InterfaceSerializer( serializers.ModelSerializer):
     class Meta:
         model = Interface
         fields = ('ipv4', 'mac_address', 'dns', 'type')
 
+class TypeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = IpType
+        fields = ('type', 'extension')
 
 
diff --git a/machines/urls.py b/machines/urls.py
index 1eec0fff..3080427e 100644
--- a/machines/urls.py
+++ b/machines/urls.py
@@ -29,4 +29,5 @@ urlpatterns = [
     url(r'^rest/mac-ip/$', views.mac_ip, name='mac-ip'),
     url(r'^rest/login/$', views.login_user, name='login'),
     url(r'^rest/mac-ip-dns/$', views.mac_ip_dns, name='mac-ip-dns'),
+    url(r'^rest/corresp/$', views.corresp, name='corresp'),
 ]
diff --git a/machines/views.py b/machines/views.py
index d33c30ba..b855a4cb 100644
--- a/machines/views.py
+++ b/machines/views.py
@@ -16,7 +16,7 @@ from django.contrib.auth import authenticate, login
 from django.views.decorators.csrf import csrf_exempt
 
 from rest_framework.renderers import JSONRenderer
-from machines.serializers import InterfaceSerializer
+from machines.serializers import InterfaceSerializer, TypeSerializer
 from reversion import revisions as reversion
 
 
@@ -454,10 +454,21 @@ class JSONResponse(HttpResponse):
                 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')
@@ -470,6 +481,14 @@ def interface_list(request):
     seria = InterfaceSerializer(interface, many=True) 
     return seria.data
 
+@csrf_exempt
+@login_required
+@permission_required('serveur')
+def type_list(request):
+    type = IpType.objects.all()
+    seria = TypeSerializer(type, many=True)
+    return seria.data 
+
 @csrf_exempt
 @login_required
 @permission_required('serveur')
@@ -486,6 +505,13 @@ def mac_ip_dns(request):
     seria = interface_list(request)
     return JSONResponse(seria)
 
+@csrf_exempt
+@login_required
+@permission_required('serveur')
+def corresp(request):
+    seria = type_list(request)
+    return JSONRespType(seria)
+
 @csrf_exempt
 def login_user(request):
     user = authenticate(username=request.POST['username'], password=request.POST['password'])