diff --git a/api.php b/api.php
index 0a07f68..24459e7 100644
--- a/api.php
+++ b/api.php
@@ -1215,23 +1215,36 @@ switch ($action) {
             }
         }
 
-        // Tallenna kysely tietokantaan
+        // Tallenna kysely tietokantaan (ohita duplikaatit: sama osoite+postinumero+kaupunki+yritys)
         try {
-            _dbExecute(
-                "INSERT INTO availability_queries (company_id, osoite, postinumero, kaupunki, saatavilla, ip_address, user_agent, referer, created_at)
-                 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
-                [
-                    $matchedCompany['id'],
-                    $_GET['osoite'] ?? '',
-                    $_GET['postinumero'] ?? '',
-                    $_GET['kaupunki'] ?? '',
-                    $found ? 1 : 0,
-                    getClientIp(),
-                    substr($_SERVER['HTTP_USER_AGENT'] ?? '', 0, 500),
-                    substr($_SERVER['HTTP_REFERER'] ?? '', 0, 500),
-                    date('Y-m-d H:i:s'),
-                ]
+            $rawOsoite = $_GET['osoite'] ?? '';
+            $rawPostinumero = $_GET['postinumero'] ?? '';
+            $rawKaupunki = $_GET['kaupunki'] ?? '';
+            $exists = _dbFetchScalar(
+                "SELECT COUNT(*) FROM availability_queries WHERE company_id = ? AND LOWER(osoite) = LOWER(?) AND postinumero = ? AND LOWER(kaupunki) = LOWER(?)",
+                [$matchedCompany['id'], $rawOsoite, $rawPostinumero, $rawKaupunki]
             );
+            if (!$exists) {
+                $ip = getClientIp();
+                $hostname = @gethostbyaddr($ip) ?: '';
+                if ($hostname === $ip) $hostname = ''; // gethostbyaddr palauttaa IP:n jos ei löydy
+                _dbExecute(
+                    "INSERT INTO availability_queries (company_id, osoite, postinumero, kaupunki, saatavilla, ip_address, hostname, user_agent, referer, created_at)
+                     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+                    [
+                        $matchedCompany['id'],
+                        $rawOsoite,
+                        $rawPostinumero,
+                        $rawKaupunki,
+                        $found ? 1 : 0,
+                        $ip,
+                        $hostname,
+                        substr($_SERVER['HTTP_USER_AGENT'] ?? '', 0, 500),
+                        substr($_SERVER['HTTP_REFERER'] ?? '', 0, 500),
+                        date('Y-m-d H:i:s'),
+                    ]
+                );
+            }
         } catch (\Throwable $e) { /* logitus ei saa kaataa API-vastausta */ }
 
         echo json_encode(['saatavilla' => $found]);
@@ -1254,7 +1267,7 @@ switch ($action) {
         $total = (int)_dbFetchScalar("SELECT COUNT(*) FROM availability_queries WHERE company_id IN ($placeholders)", $userCompanyIds);
         $params = array_merge($userCompanyIds, [$limit, $offset]);
         $rows = _dbFetchAll(
-            "SELECT aq.id, aq.company_id, c.nimi as company_nimi, aq.osoite, aq.postinumero, aq.kaupunki, aq.saatavilla, aq.ip_address, aq.referer, aq.created_at
+            "SELECT aq.id, aq.company_id, c.nimi as company_nimi, aq.osoite, aq.postinumero, aq.kaupunki, aq.saatavilla, aq.ip_address, aq.hostname, aq.referer, aq.created_at
              FROM availability_queries aq LEFT JOIN companies c ON c.id = aq.company_id
              WHERE aq.company_id IN ($placeholders) ORDER BY aq.created_at DESC LIMIT ? OFFSET ?",
             $params
diff --git a/db.php b/db.php
index 55bd96e..2764390 100644
--- a/db.php
+++ b/db.php
@@ -675,6 +675,7 @@ function initDatabase(): void {
         "ALTER TABLE ticket_rules ADD COLUMN set_tags VARCHAR(255) DEFAULT '' AFTER set_priority",
         "ALTER TABLE tickets ADD COLUMN zammad_ticket_id INT DEFAULT NULL AFTER mailbox_id",
         "ALTER TABLE ticket_messages ADD COLUMN zammad_article_id INT DEFAULT NULL AFTER message_id",
+        "ALTER TABLE availability_queries ADD COLUMN hostname VARCHAR(255) DEFAULT '' AFTER ip_address",
     ];
     foreach ($alters as $sql) {
         try { $db->query($sql); } catch (\Throwable $e) { /* sarake on jo olemassa / jo ajettu */ }
diff --git a/index.html b/index.html
index 8da7295..fd7d19d 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Noxus HUB</title>
-    <link rel="stylesheet" href="style.css?v=20260313k">
+    <link rel="stylesheet" href="style.css?v=20260313m">
 </head>
 <body>
     <!-- Login -->
@@ -209,6 +209,7 @@
                                     <th>Postinumero</th>
                                     <th>Kaupunki</th>
                                     <th>Tulos</th>
+                                    <th>IP / Verkko</th>
                                     <th>Lähde</th>
                                     <th>Yritys</th>
                                 </tr>
@@ -2263,6 +2264,6 @@
         </div>
     </div>
 
-    <script src="script.js?v=20260313k"></script>
+    <script src="script.js?v=20260313m"></script>
 </body>
 </html>
diff --git a/script.js b/script.js
index a60f8f4..e983f0c 100644
--- a/script.js
+++ b/script.js
@@ -3520,7 +3520,7 @@ async function loadAvailabilityQueries(page = 0) {
         countEl.textContent = `Yhteensä ${data.total} kyselyä`;
 
         if (data.queries.length === 0) {
-            tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;color:#888;padding:2rem;">Ei vielä kyselyjä</td></tr>';
+            tbody.innerHTML = '<tr><td colspan="8" style="text-align:center;color:#888;padding:2rem;">Ei vielä kyselyjä</td></tr>';
         } else {
             tbody.innerHTML = data.queries.map(q => {
                 const date = q.created_at ? q.created_at.replace('T', ' ').substring(0, 16) : '';
@@ -3532,12 +3532,16 @@ async function loadAvailabilityQueries(page = 0) {
                 if (q.referer) {
                     try { source = new URL(q.referer).hostname; } catch(e) { source = q.referer.substring(0, 30); }
                 }
+                const ipInfo = q.hostname
+                    ? `${esc(q.ip_address)}<br><small style="color:#aaa;">${esc(q.hostname)}</small>`
+                    : esc(q.ip_address || '');
                 return `<tr>
                     <td style="white-space:nowrap;">${esc(date)}</td>
                     <td>${esc(q.osoite)}</td>
                     <td>${esc(q.postinumero)}</td>
                     <td>${esc(q.kaupunki)}</td>
                     <td>${badge}</td>
+                    <td style="font-size:0.8rem;">${ipInfo}</td>
                     <td style="font-size:0.8rem;color:#888;">${esc(source)}</td>
                     <td style="font-size:0.8rem;color:#888;">${esc(q.company_nimi || q.company_id || '')}</td>
                 </tr>`;