diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 56a9bdf..61328bf 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -76,10 +76,10 @@
 # Subnetpool defaults
 SUBNETPOOL_NAME=${SUBNETPOOL_NAME:-"shared-default-subnetpool"}
 
-SUBNETPOOL_PREFIX_V4=${SUBNETPOOL_PREFIX_V4:-10.0.0.0/24}
+SUBNETPOOL_PREFIX_V4=${SUBNETPOOL_PREFIX_V4:-10.0.0.0/8}
 SUBNETPOOL_PREFIX_V6=${SUBNETPOOL_PREFIX_V6:-2001:db8:8000::/48}
 
-SUBNETPOOL_SIZE_V4=${SUBNETPOOL_SIZE_V4:-26}
+SUBNETPOOL_SIZE_V4=${SUBNETPOOL_SIZE_V4:-24}
 SUBNETPOOL_SIZE_V6=${SUBNETPOOL_SIZE_V6:-64}