diff --git a/server.py b/server.py
index 04dd688..c0f865c 100644
--- a/server.py
+++ b/server.py
@@ -582,6 +582,11 @@ def page_net_add():
     if request.method == 'GET':
         return render_template("net/add.htm", type="net", user=session["username"])
     else:
+        try:
+            int(request.form["subnet"])
+        except ValueError:
+            return render_template("error.htm", error="Il campo Subnet deve contenere il numero di bit della subnet. "
+                                                      "(8, 16, 24...)")
         nuovonet = Rete(nome=request.form["nome"], network_ip=request.form["network_ip"], subnet=request.form["subnet"],
                         primary_dns=request.form["primary_dns"], secondary_dns=request.form["secondary_dns"])
         db.session.add(nuovonet)
@@ -626,6 +631,25 @@ def page_net_details(nid):
                            user=session["username"])
 
 
+@app.route('/net_show/<int:nid>', methods=['GET', 'POST'])
+def page_net_show(nid):
+    if 'username' not in session:
+        return abort(403)
+    if request.method == 'GET':
+        net = Rete.query.filter_by(nid=nid).first_or_404()
+        return render_template("net/show.htm", net=net, type="net", user=session["username"])
+    else:
+        net = Rete.query.filter_by(nid=nid).first_or_404()
+        net.nome = request.form['nome']
+        net.network_ip = request.form['network_ip']
+        net.subnet = request.form['subnet']
+        net.primary_dns = request.form['primary_dns']
+        net.secondary_dns = request.form['secondary_dns']
+        db.session.commit()
+        return redirect(url_for('page_net_list'))
+
+
+
 @app.route('/user_list')
 def page_user_list():
     """Pagina di elenco degli utenti che possono connettersi al sito.
diff --git a/templates/dispositivo/details.htm b/templates/dispositivo/details.htm
index bfa5cc1..81d275c 100644
--- a/templates/dispositivo/details.htm
+++ b/templates/dispositivo/details.htm
@@ -88,9 +88,7 @@
             </div>
         </li>
     </ul>
-    <a href="/disp_show/{{ disp.did }}">
-        <button type="button" class="btn btn-primary">
-                <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> Modifica
-        </button>
+    <a href="/disp_show/{{ disp.did }}" class="btn btn-primary">
+        <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> Modifica
     </a>
 {% endblock %}
\ No newline at end of file
diff --git a/templates/net/details.htm b/templates/net/details.htm
index 7869f20..6a7ac6f 100644
--- a/templates/net/details.htm
+++ b/templates/net/details.htm
@@ -40,14 +40,10 @@
             </div>
         </li>
     </ul>
-    <a href="/net_show/{{ net.nid }}">
-        <button type="button" class="btn btn-primary">
-              <span class="glyphicon glyphicon-pencil"></span> Modifica
-        </button>
+    <a href="/net_show/{{ net.nid }}" class="btn btn-primary">
+        <span class="glyphicon glyphicon-pencil"></span> Modifica
     </a>
-    <a href="/net_del/{{ net.nid }}">
-        <button type="button" class="btn btn-danger">
-              <span class="glyphicon glyphicon-remove"></span> Elimina
-        </button>
+    <a href="/net_del/{{ net.nid }}" class="btn btn-danger">
+        <span class="glyphicon glyphicon-remove"></span> Elimina
     </a>
 {% endblock %}
\ No newline at end of file
diff --git a/templates/net/list.htm b/templates/net/list.htm
index 2b651a7..584b7cd 100644
--- a/templates/net/list.htm
+++ b/templates/net/list.htm
@@ -14,16 +14,18 @@
             <th>Nome Rete</th>
             <th>IP</th>
             <th>Ispeziona</th>
+            <th>Modifica</th>
             <th>Elimina</th>
         </tr>
         </thead>
-        <tr>
-            {% for rete in reti %}
+        {% for rete in reti %}
+            <tr>
                 <td>{{ rete.nome }}</td>
                 <td>{{ rete.network_ip }}/{{ rete.subnet }}</td>
                 <td><a href="/net_details/{{ rete.nid }}"><span class="glyphicon glyphicon-list-alt"></span></a></td>
-                <td>{% if reti|length > 2 %}<a href="/net_del/{{ rete.nid }}"><span class="glyphicon glyphicon-remove"></span></a>{% endif %}</td>
-            {% endfor %}
-        </tr>
+                <td><a href="/net_show/{{ rete.nid }}"><span class="glyphicon glyphicon-pencil"></span></a></td>
+                <td>{% if reti|length > 1 %}<a href="/net_del/{{ rete.nid }}"><span class="glyphicon glyphicon-remove"></span></a>{% endif %}</td>
+            </tr>
+        {% endfor %}
     </table>
 {% endblock %}
diff --git a/templates/net/show.htm b/templates/net/show.htm
new file mode 100644
index 0000000..d79ecfc
--- /dev/null
+++ b/templates/net/show.htm
@@ -0,0 +1,15 @@
+{% extends "base.htm" %}
+{% block title %}Aggiungi rete • estus{% endblock %}
+{% block content %}
+    <h1>
+        Aggiungi nuova rete
+    </h1>
+    <form class="form-inline" action="/net_show/{{ net.nid }}" method="post">
+        <input class="form-control" type="text" placeholder="Nome rete" name="nome" value="{{ net.nome }}">
+        <input class="form-control" type="text" placeholder="Network IP" name="network_ip" value="{{ net.network_ip }}">
+        <input class="form-control" type="text" placeholder="Subnet mask" name="subnet" value="{{ net.subnet }}">
+        <input class="form-control" type="text" placeholder="DNS primario" name="primary_dns" value="{{ net.primary_dns }}">
+        <input class="form-control" type="text" placeholder="DNS secondario" name="secondary_dns" value="{{ net.secondary_dns }}">
+        <input class="btn btn-primary" type="submit">
+    </form>
+{% endblock %}