Allow configuration of client and org subnets

server/lib/ip.ts

@@ -274,4 +274,13 @@ export async function getNextAvailableOrgSubnet(): Promise<string> {
     }
 
     return subnet;
+}
+
+export function isValidCidr(cidr: string): boolean {
+    try {
+        cidrToRange(cidr);
+        return true;
+    } catch (e) {
+        return false;
+    }
 }