diff --git a/server/lib/readConfigFile.ts b/server/lib/readConfigFile.ts
index f3057128..0d82defd 100644
--- a/server/lib/readConfigFile.ts
+++ b/server/lib/readConfigFile.ts
@@ -174,9 +174,9 @@ export const configSchema = z
             .optional()
             .default({}),
         orgs: z.object({
-            block_size: z.number().positive().gt(0),
-            subnet_group: z.string()
-        }),
+            block_size: z.number().positive().gt(0).optional().default(24),
+            subnet_group: z.string().optional().default("100.90.128.0/24")
+        }).optional(),
         rate_limits: z
             .object({
                 global: z