diff --git a/playbooks/groups/overcloud-config.yml b/playbooks/groups/overcloud-config.yml
index 6eecd539d9..4734e55f2b 100644
--- a/playbooks/groups/overcloud-config.yml
+++ b/playbooks/groups/overcloud-config.yml
@@ -100,6 +100,13 @@
   ##### NETWORK ####
   # http://docs.openstack.org/havana/install-guide/install/apt/content/install-neutron.configure-networks.html
   #
+  # NEW:
+  # network is 38.145.48.0/23
+  # gateway is 38.145.49.254
+  # leave 38.145.49.250-253 unused for dcops
+  # leave 38.145.49.231-249 unused for future testing
+  #
+  # OLD:
   # external network is a class C: 209.132.184.0/24
   # 209.132.184.1  to .25 - reserved for hardware.
   # 209.132.184.26 to .30 - reserver for test cloud external ips
@@ -121,10 +128,10 @@
       cloud: "{{ os_cloud }}"
       name: external-subnet
       network_name: external
-      cidr: 209.132.184.0/24
-      allocation_pool_start: 209.132.184.140
-      allocation_pool_end: 209.132.184.150
-      gateway_ip: 209.132.184.254
+      cidr: 38.145.48.0/23
+      allocation_pool_start: 38.145.48.1
+      allocation_pool_end: 38.145.49.230
+      gateway_ip: 38.145.49.254
       enable_dhcp: false
     register: EXTERNAL_SUBNET_ID