diff --git a/gestion/gen_confs/firewall_crans.py b/gestion/gen_confs/firewall_crans.py
index bf9f5c53..32be58e0 100755
--- a/gestion/gen_confs/firewall_crans.py
+++ b/gestion/gen_confs/firewall_crans.py
@@ -85,7 +85,10 @@ class firewall_crans :
     
     liste_reseaux_non_routables = [ '1.0.0.0/8','2.0.0.0/8','5.0.0.0/8','7.0.0.0/8',\
     '10.0.0.0/8','14.0.0.0/8','23.0.0.0/8','27.0.0.0/8','31.0.0.0/8','36.0.0.0/8',\
-    '37.0.0.0/8','39.0.0.0/8','41.0.0.0/8','42.0.0.0/8','71.0.0.0/8','72.0.0.0/5',\
+    '37.0.0.0/8','39.0.0.0/8','41.0.0.0/8','42.0.0.0/8','71.0.0.0/8','73.0.0.0/8',\
+    '74.0.0.0/8', '75.0.0.0/8', '76.0.0.0/8', '77.0.0.0/8', '78.0.0.0/8', '79.0.0.0/8', \
+    '80.0.0.0/8', '81.0.0.0/8', '82.0.0.0/8', '83.0.0.0/8', '84.0.0.0/8', '85.0.0.0/8', \
+    '86.0.0.0/8', '87.0.0.0/8', \
     '89.0.0.0/8','90.0.0.0/7','92.0.0.0/6','96.0.0.0/3','169.254.0.0/16','172.16.0.0/12',\
     '173.0.0.0/8','174.0.0.0/7','176.0.0.0/5','184.0.0.0/6','189.0.0.0/8','190.0.0.0/8',\
     '192.168.0.0/16','197.0.0.0/8','223.0.0.0/8','224.0.0.0/4','240.0.0.0/4']