Feature: Added network IPs section to document network IP and their hostnames

agent/post/network_ip_model.php

@@ -0,0 +1,9 @@
+<?php
+defined('FROM_POST_HANDLER') || die("Direct file access is not allowed");
+
+// $ip_address is deliberately NOT escaped here - checkIpForNetwork() in
+// functions/network.php normalises it first and the handler escapes the
+// canonical form it hands back.
+$ip_address = trim($_POST['ip_address'] ?? '');
+$hostname = escapeSql($_POST['hostname'] ?? '');
+$description = escapeSql($_POST['description'] ?? '');