diff --git a/gestion/config.py b/gestion/config.py
index 4d0418c7..2cd3186b 100644
--- a/gestion/config.py
+++ b/gestion/config.py
@@ -374,12 +374,14 @@ NETs = { 'serveurs' : [ '138.231.136.0/28' ],
                          '138.231.138.0/24',
                          '138.231.139.0/24',
                          '138.231.140.0/22' ],
+         'adh-g' : [ '138.231.151.0/24' ],
          'bornes'      : [ '138.231.148.0/24' ],
          'vlan-adm'    : [ '10.231.136.0/24' ],
          'wifi-adh'    : [ '138.231.144.0/24', '138.231.145.0/24', '138.231.146.0/24',
-                           '138.231.147.0/24', '138.231.149.0/24', '138.231.150.0/24', '138.231.151.0/24'],
+                           '138.231.147.0/24', '138.231.149.0/24', '138.231.150.0/24' ],
          'fil' : [ '138.231.136.0/21' ],
-         'wifi': [ '138.231.148.0/21' ],
+         'wifi': [ '138.231.148.0/24', '138.231.149.0/24', '138.231.150.0/24', '138.231.151.0/24',
+                   '138.231.152.0/24', '138.231.153.0/24', '138.231.154.0/24' ],
          'gratuit': [ '10.42.0.0/16' ],
          'personnel-ens': ['10.2.9.0/24' ],
          'all' : [ '138.231.136.0/21', '138.231.148.0/21' ]
diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index b226bfca..44172e91 100644
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -2833,9 +2833,13 @@ Contactez nounou si la MAC est bien celle d'une carte.""", 3)
                 net = config.NETs['personnel-ens']
                 pool_ip = lister_ip_dispo('personnel-ens')
             elif not isinstance(proprio, Adherent) or proprio.adherentPayant():
+                proprio_subnet = 'adherents'
                 try:
-                    net = config.NETs['adherents']
-                    pool_ip = lister_ip_dispo('adherents')
+                    chbre = proprio.chbre()
+                    if chbre and chbre[0] == 'G':
+                        proprio_subnet = 'adh-g'
+                    net = config.NETs[proprio_subnet]
+                    pool_ip = lister_ip_dispo(proprio_subnet)
                 except:
                     raise RuntimeError(u'Impossible de trouver le réseau où placer la machine.')
             else: