diff --git a/at.py b/at.py
index 06b0fd5..54f1747 100644
--- a/at.py
+++ b/at.py
@@ -42,9 +42,9 @@ def restrict_ip(prefix='', exclude=[]):
         def func(*a, **kw):
             r_addr = v4addr()
             if not r_addr.startswith(prefix) or r_addr in exclude:
-                app.logger.info('got IP %s, rejecting',r_addr)
-
+                app.logger.info('got IP %s, rejecting', r_addr)
                 abort(403)
+
             return f(*a, **kw)
         return func
     return decorator
@@ -244,6 +244,7 @@ def list_all():
     result['users'] = map(prettify_user, result['users'])
     result['unknown'] = len(result['unknown'])
     result['kektops'] = len(result['kektops'])
+    result['esps'] = len(result['esps'])
     res = make_response(json.dumps(result), 200)
     res.headers['Access-Control-Allow-Origin'] = '*'
     return res
@@ -257,9 +258,12 @@ def now_at():
     # das kektop sorting maschine
     kektops = set()
     unknown = set()
+    esps = set()
     for u in all_unknown:
         if u.startswith('90:e6:ba:84'):
             kektops.add(u)
+        elif u.startswith('5c:cf:7f'):
+            esps.add(u)
         else:
             unknown.add(u)
 
@@ -269,7 +273,8 @@ def now_at():
             users[info.owner] = devices[info.hwaddr][0]
     users_sorted = sorted(users.items(), key=lambda (u, a): a, reverse=True)
 
-    return dict(users=users_sorted, unknown=unknown, kektops=kektops)
+    return dict(users=users_sorted, unknown=unknown, kektops=kektops,
+                esps=esps)
 
 
 restrict_to_hs = restrict_ip(prefix=app.config['CLAIMABLE_PREFIX'],
diff --git a/templates/main.html b/templates/main.html
index f49d90b..3ac5c50 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -24,6 +24,11 @@ Now at hackerspace
   {% pluralize %}
   There are {{ n_kek }} unknown kektops operating.
   {% endtrans %}
+  {% trans n_esp=esps|length %}
+  There is {{ n_esp }} unknown ESP operating.
+  {% pluralize %}
+  There are {{ n_esp }} unknown ESPs operating.
+  {% endtrans %}
   <hr>
   <a href="claim">Claim this device!</a>
 {% endblock %}