diff --git a/labs/osbash/config/config.compute b/labs/osbash/config/config.compute
index eaf6ec47..6030739d 100644
--- a/labs/osbash/config/config.compute
+++ b/labs/osbash/config/config.compute
@@ -4,7 +4,7 @@
 VM_SSH_PORT=2232
 
 # Last octet of IP addresses
-FOURTH_OCTET=53
+FOURTH_OCTET=31
 
 # Assign network interfaces to networks
 NET_IF_0=nat
diff --git a/labs/osbash/config/config.controller b/labs/osbash/config/config.controller
index 08d28a7c..93caf4e7 100644
--- a/labs/osbash/config/config.controller
+++ b/labs/osbash/config/config.controller
@@ -5,7 +5,7 @@ VM_SSH_PORT=2230
 VM_WWW_PORT=8888
 
 # Last octet of IP addresses
-FOURTH_OCTET=51
+FOURTH_OCTET=11
 
 # Assign network interfaces to networks
 NET_IF_0=nat
diff --git a/labs/osbash/config/config.network b/labs/osbash/config/config.network
index 5e15c4fa..991a1aa0 100644
--- a/labs/osbash/config/config.network
+++ b/labs/osbash/config/config.network
@@ -4,7 +4,7 @@
 VM_SSH_PORT=2231
 
 # Last octet of IP addresses
-FOURTH_OCTET=52
+FOURTH_OCTET=21
 
 # Assign network interfaces to networks
 NET_IF_0=nat
diff --git a/labs/osbash/config/hosts.multi b/labs/osbash/config/hosts.multi
index 05d959d9..347d4462 100644
--- a/labs/osbash/config/hosts.multi
+++ b/labs/osbash/config/hosts.multi
@@ -1,9 +1,9 @@
-10.10.10.51 controller-mgmt
-192.168.100.51 controller-api
+10.0.0.11 controller-mgmt
+203.0.113.11 controller-api
 
-10.10.10.52 network-mgmt
-10.20.20.52 network-data
-192.168.100.52 network-api
+10.0.0.21 network-mgmt
+10.0.1.21 network-data
+203.0.113.21 network-api
 
-10.10.10.53 compute-mgmt
-10.20.20.53 compute-data
+10.0.0.31 compute-mgmt
+10.0.1.31 compute-data
diff --git a/labs/osbash/config/openstack b/labs/osbash/config/openstack
index 7f1e8d37..1e468f46 100644
--- a/labs/osbash/config/openstack
+++ b/labs/osbash/config/openstack
@@ -1,5 +1,7 @@
 # This file contains OpenStack configuration data. It is used by both
 # host (osbash, Windows batch) and VM guest scripts.
+# Follow install guides for more information on the network configuration:
+# http://docs.openstack.org/kilo/install-guide/install/apt/content/ch_basic_environment.html#basics-networking
 
 # one of: icehouse, juno, kilo
 : ${OPENSTACK_RELEASE:=kilo}
@@ -8,22 +10,22 @@
 CIRROS_URL="http://download.cirros-cloud.net/0.3.3/cirros-0.3.3-x86_64-disk.img"
 
 # Networks used by OpenStack training-labs setup
-: ${MGMT_NET:=10.10.10.1}
-: ${DATA_NET:=10.20.20.1}
-: ${API_NET:=192.168.100.1}
+: ${MGMT_NET:=10.0.0.1}
+: ${DATA_NET:=10.0.1.1}
+: ${API_NET:=203.0.113.1}
 # FIXME API_NET and EXT_NET should be different networks as soon as our
 #       setup allows it.
-: ${EXT_NET:=192.168.100.1}
+: ${EXT_NET:=203.0.113.1}
 
 # EXT_NET
-: ${FLOATING_IP_START:=192.168.100.101}
-: ${FLOATING_IP_END:=192.168.100.200}
-: ${EXTERNAL_NETWORK_GATEWAY:=192.168.100.1}
-: ${EXTERNAL_NETWORK_CIDR:=192.168.100.0/24}
+: ${FLOATING_IP_START:=203.0.113.101}
+: ${FLOATING_IP_END:=203.0.113.200}
+: ${EXTERNAL_NETWORK_GATEWAY:=203.0.113.1}
+: ${EXTERNAL_NETWORK_CIDR:=203.0.113.0/24}
 
 # DEMO_NET
-: ${TENANT_NETWORK_GATEWAY:=172.16.0.1}
-: ${TENANT_NETWORK_CIDR:=172.16.0.0/24}
+: ${TENANT_NETWORK_GATEWAY:=192.168.1.1}
+: ${TENANT_NETWORK_CIDR:=192.168.1.0/24}
 # Comma-separated list of DNS name servers used by dnsmasq to serve instance
 # VMs in neutron subnets with dns_nameservers unset.
 # Default is Google Public DNS (8.8.8.8); to disable, set to "".