diff --git a/config/config.example.yml b/config/config.example.yml
index c2a09451..827a2c49 100644
--- a/config/config.example.yml
+++ b/config/config.example.yml
@@ -21,9 +21,9 @@ traefik:
 gerbil:
     start_port: 51820
     base_endpoint: localhost
-    block_size: 16
-    site_block_size: 29
-    subnet_group: 10.0.0.0/8
+    block_size: 24
+    site_block_size: 30
+    subnet_group: 100.89.137.0/20
     use_subdomain: true
 
 rate_limits:
diff --git a/install/fs/config.yml b/install/fs/config.yml
index 9d4210a2..d3809433 100644
--- a/install/fs/config.yml
+++ b/install/fs/config.yml
@@ -23,9 +23,9 @@ gerbil:
     start_port: 51820
     base_endpoint: {{.Domain}}
     use_subdomain: false
-    block_size: 16
-    site_block_size: 29
-    subnet_group: 10.0.0.0/8
+    block_size: 24
+    site_block_size: 30
+    subnet_group: 100.89.137.0/20
 
 rate_limits:
     global: