diff --git a/docs/infrastructure.md b/docs/infrastructure.md
index 0a8bbb8..a0cccea 100644
--- a/docs/infrastructure.md
+++ b/docs/infrastructure.md
@@ -11,16 +11,16 @@ gcloud compute instances list
 ```
 
 ````
-NAME         ZONE           MACHINE_TYPE   INTERNAL_IP  STATUS
-controller0  us-central1-f  n1-standard-1  10.240.0.20  RUNNING
-controller1  us-central1-f  n1-standard-1  10.240.0.21  RUNNING
-controller2  us-central1-f  n1-standard-1  10.240.0.22  RUNNING
-etcd0        us-central1-f  n1-standard-1  10.240.0.10  RUNNING
-etcd1        us-central1-f  n1-standard-1  10.240.0.11  RUNNING
-etcd2        us-central1-f  n1-standard-1  10.240.0.12  RUNNING
-worker0      us-central1-f  n1-standard-1  10.240.0.30  RUNNING
-worker1      us-central1-f  n1-standard-1  10.240.0.31  RUNNING
-worker2      us-central1-f  n1-standard-1  10.240.0.32  RUNNING
+NAME         ZONE           MACHINE_TYPE   PREEMPTIBLE  INTERNAL_IP  EXTERNAL_IP      STATUS
+controller0  us-central1-f  n1-standard-1               10.240.0.20  146.148.34.151   RUNNING
+controller1  us-central1-f  n1-standard-1               10.240.0.21  104.197.49.230   RUNNING
+controller2  us-central1-f  n1-standard-1               10.240.0.22  130.211.123.47   RUNNING
+etcd0        us-central1-f  n1-standard-1               10.240.0.10  104.197.163.174  RUNNING
+etcd1        us-central1-f  n1-standard-1               10.240.0.11  146.148.43.6     RUNNING
+etcd2        us-central1-f  n1-standard-1               10.240.0.12  162.222.179.131  RUNNING
+worker0      us-central1-f  n1-standard-1               10.240.0.30  104.155.181.141  RUNNING
+worker1      us-central1-f  n1-standard-1               10.240.0.31  104.197.163.37   RUNNING
+worker2      us-central1-f  n1-standard-1               10.240.0.32  104.154.41.9     RUNNING
 ````
 
 > All machines will be provisioned with fixed private IP addresses to simplify the bootstrap process.