diff --git a/abonapp/forms.py b/abonapp/forms.py
index 1c81dba..3751e9a 100644
--- a/abonapp/forms.py
+++ b/abonapp/forms.py
@@ -223,22 +223,21 @@ class AddIpForm(forms.ModelForm):
                 self.fields['networks'].queryset = NetworkModel.objects.filter(
                     groups=instance.group
                 )
-        if not self.initial['ip_address']:
-            if instance:
-                net = NetworkModel.objects.filter(
-                    groups=instance.group
-                ).first()
-                if net is not None:
-                    ips = (ip.ip_address for ip in
-                           models.Abon.objects.filter(
-                               group__in=net.groups.all(),
-                               nas=instance.nas
-                           ).order_by('ip_address').only(
-                               'ip_address').iterator())
-                    free_ip = net.get_free_ip(ips)
-                    self.initial['ip_address'] = free_ip
-            else:
+        if not self.initial.get('ip_address'):
+            if not instance:
                 raise LogicError(_('Subnet has not attached to current group'))
+            if not instance.nas:
+                raise LogicError(_('Please pick NAS for consumer'))
+            for net in NetworkModel.objects.filter(groups=instance.group).iterator():
+                ips = (ip.ip_address for ip in models.Abon.objects.filter_ip_address(
+                    group_ids=tuple(n.pk for n in net.groups.iterator()),
+                    nas_id=int(instance.nas_id)
+                ).iterator())
+                free_ip = net.get_free_ip(ips)
+                if free_ip is None:
+                    continue
+                self.initial['ip_address'] = str(free_ip)
+                break
 
     networks = forms.ModelChoiceField(
         label=_('Networks'),
diff --git a/abonapp/locale/ru/LC_MESSAGES/django.po b/abonapp/locale/ru/LC_MESSAGES/django.po
index 44e8fb9..33564f3 100644
--- a/abonapp/locale/ru/LC_MESSAGES/django.po
+++ b/abonapp/locale/ru/LC_MESSAGES/django.po
@@ -1167,3 +1167,6 @@ msgstr "Дата создания"
 
 msgid "Update ip address"
 msgstr "Обновить ip адрес"
+
+msgid "Please pick NAS for consumer"
+msgstr "Выберите шлюз для абонента"
diff --git a/abonapp/models.py b/abonapp/models.py
index 3e0dd2b..d2c6ebc 100644
--- a/abonapp/models.py
+++ b/abonapp/models.py
@@ -85,6 +85,17 @@ class AbonManager(MyUserManager):
     def get_queryset(self):
         return super(MyUserManager, self).get_queryset().filter(is_admin=False)
 
+    def filter_ip_address(self, group_ids: tuple, nas_id: int):
+        nas_id = int(nas_id)
+        if not isinstance(group_ids, tuple):
+            group_ids = tuple(group_ids)
+        return self.raw(
+            'SELECT baseaccount_ptr_id, ip_address FROM abonent '
+            'WHERE group_id IN %s AND nas_id=%s AND ip_address IS NOT NULL '
+            'ORDER BY inet_aton(ip_address) ASC',
+            params=(group_ids, str(nas_id))
+        )
+
 
 class Abon(BaseAccount):
     current_tariff = models.OneToOneField(
diff --git a/ip_pool/models.py b/ip_pool/models.py
index e5f9a10..b6eef6e 100644
--- a/ip_pool/models.py
+++ b/ip_pool/models.py
@@ -131,7 +131,7 @@ class NetworkModel(models.Model):
         Find free ip in network.
         :param employed_ips: Sorted from less to more
          ip addresses from current network.
-        :return: single finded ip
+        :return: single found ip
         """
         network = self.get_network()
         work_range_start_ip = ip_address(self.ip_start)