diff --git a/hosts/monitoring/blackbox.yml b/hosts/monitoring/blackbox.yml
new file mode 100644
index 0000000..2c38e5f
--- /dev/null
+++ b/hosts/monitoring/blackbox.yml
@@ -0,0 +1,3 @@
+modules:
+  icmp:
+    prober: icmp
diff --git a/hosts/monitoring/configuration.nix b/hosts/monitoring/configuration.nix
index ef27ebd..461cee8 100644
--- a/hosts/monitoring/configuration.nix
+++ b/hosts/monitoring/configuration.nix
@@ -21,6 +21,49 @@ with lib;
   networking.defaultGateway = { address = "10.42.10.1"; interface = "ens18"; };
   networking.defaultGateway6 = { address = "2a01:4f8:1c0c:8221::1"; interface = "ens18"; };
   networking.nameservers = [ "2a01:4f8:1c0c:8221::1" "10.42.10.1" ];
+
+    networking.hosts = {
+      # Vlan
+      "10.42.10.1" = [ "gw.services.net.bula22.de" ];
+      "10.42.42.1" = [ "gw.management.net.bula22.de" ];
+      "10.42.151.1" = [ "gw.technik-iot.net.bula22.de" ];
+      "10.42.201.1" = [ "gw.technik.net.bula22.de" ];
+      "10.42.203.1" = [ "gw.hospital.net.bula22.de" ];
+      "10.42.204.1" = [ "gw.zoll.net.bula22.de" ];
+      "10.42.205.1" = [ "gw.leitstelle.net.bula22.de" ];
+      "10.42.206.1" = [ "gw.verwaltung.net.bula22.de" ];
+      "10.42.208.1" = [ "gw.yolo.net.bula22.de" ];
+      "10.42.209.1" = [ "gw.infojurte.net.bula22.de" ];
+      "10.42.210.1" = [ "gw.international.net.bula22.de" ];
+      "10.42.211.1" = [ "gw.programmtresen.net.bula22.de" ];
+      "10.42.212.1" = [ "gw.open-office.net.bula22.de" ];
+
+      # Management
+      "10.42.42.10" = [ "wlan-controller.bula22.de" ];
+      "10.42.42.11" = [ "sw-zentral-1.bula22.de" ];
+      "10.42.42.12" = [ "sw-zentral-2.bula22.de" ];
+      "10.42.42.13" = [ "sw-verwaltung.bula22.de" ];
+      "10.42.42.14" = [ "sw-zoll-container.bula22.de" ];
+      "10.42.42.15" = [ "sw-zoll-zelt.bula22.de" ];
+      "10.42.42.16" = [ "sw-programmtresen.bula22.de" ];
+      "10.42.42.17" = [ "sw-international.bula22.de" ];
+      "10.42.42.18" = [ "sw-leitstelle.bula22.de" ];
+      "10.42.42.19" = [ "sw-infojurte.bula22.de" ];
+      "10.42.42.20" = [ "sw-technik-zelt.bula22.de" ];
+      "10.42.42.21" = [ "sw-technik-container.bula22.de" ];
+      "10.42.42.22" = [ "sw-hospital.bula22.de" ];
+      "10.42.42.23" = [ "sw-fuf.bula22.de" ];
+      "10.42.42.24" = [ "sw-waschhaus.bula22.de" ];
+      "10.42.42.25" = [ "sw-buehne.bula22.de" ];
+      "10.42.42.26" = [ "sw-trabantenstadt.bula22.de" ];
+    };
+
+  services.prometheus.exporters.blackbox = {
+    enable = true;
+    listenAddress = "[::1]";
+    port = 9115;
+    configFile = ./blackbox.yml;
+  };
   services.prometheus.exporters.node.enable = true;
   services.prometheus.alertmanager = {
     enable = true;
@@ -65,6 +108,85 @@ with lib;
           }
         ];
       }
+      {
+        job_name = "blackbox";
+        metrics_path = "/probe";
+        params = {
+          module = [ "icmp" ];
+        };
+        static_configs = [
+          {
+            targets = [
+              # Internet Probes
+              "clerie.de"
+              "vcp.de"
+              "bundeslager.vcp.de"
+
+              # Vlan Probes
+              "gw.services.net.bula22.de"
+              "gw.management.net.bula22.de"
+              "gw.technik-iot.net.bula22.de"
+              "gw.technik.net.bula22.de"
+              "gw.hospital.net.bula22.de"
+              "gw.zoll.net.bula22.de"
+              "gw.leitstelle.net.bula22.de"
+              "gw.verwaltung.net.bula22.de"
+              "gw.yolo.net.bula22.de"
+              "gw.infojurte.net.bula22.de"
+              "gw.international.net.bula22.de"
+              "gw.programmtresen.net.bula22.de"
+              "gw.open-office.net.bula22.de"
+
+              # Management Probes
+              "wlan-controller.bula22.de"
+              "sw-zentral-1.bula22.de"
+              "sw-zentral-2.bula22.de"
+              "sw-verwaltung.bula22.de"
+              "sw-zoll-container.bula22.de"
+              "sw-zoll-zelt.bula22.de"
+              "sw-programmtresen.bula22.de"
+              "sw-international.bula22.de"
+              "sw-leitstelle.bula22.de"
+              "sw-infojurte.bula22.de"
+              "sw-technik-zelt.bula22.de"
+              "sw-technik-container.bula22.de"
+              "sw-hospital.bula22.de"
+              "sw-fuf.bula22.de"
+              "sw-waschhaus.bula22.de"
+              "sw-buehne.bula22.de"
+              "sw-trabantenstadt.bula22.de"
+
+              # Service Probes
+              "router.bula22.de"
+              "radius.bula22.de"
+              "yate.bula22.de"
+              "monitoring.bula22.de"
+              "dns.bula22.de"
+              "nerd.bula22.de"
+              "pre-router.bula22.de"
+              "nixdeploy.bula22.de"
+
+              # External Service Probes
+              "vcp-bula-mon.bula22.de"
+              "vcp-bula-telko.bula22.de"
+            ];
+          }
+        ];
+        relabel_configs = [
+          {
+            source_labels = [ "__address__" ];
+            target_label = "__param_target";
+          }
+          {
+            source_labels = [ "__param_target" ];
+            target_label = "instance";
+          }
+          {
+            target_label = "__address__";
+            replacement = "[::1]:9115";
+          }
+        ];
+      }
     ];
     alertmanagers = [
       {