diff --git a/inc/mod/pages.php b/inc/mod/pages.php
index 1bbe60d0..086ec6e1 100644
--- a/inc/mod/pages.php
+++ b/inc/mod/pages.php
@@ -6,6 +6,9 @@
 
 use Vichan\Functions\Net;
 
+use function Vichan\Functions\Net\decode_cursor;
+use function Vichan\Functions\Net\encode_cursor;
+
 defined('TINYBOARD') or exit;
 
 function _link_or_copy(string $target, string $link): bool {
@@ -868,7 +871,7 @@ function mod_ip_remove_note($ip, $id) {
     header('Location: ?/IP/' . $ip . '#notes', true, $config['redirect_http']);
 }
 
-function mod_page_ip($ip) {
+function mod_page_ip($ip, string $encoded_cursor = '') {
     global $config, $mod;
 
     if (filter_var($ip, FILTER_VALIDATE_IP) === false)
@@ -910,33 +913,103 @@ function mod_page_ip($ip) {
         'posts' => []
     ];
 
-    if ($config['mod']['dns_lookup'])
+    if ($config['mod']['dns_lookup']) {
         $args['hostname'] = rDNS($ip);
+    }
+
+    // Decode the cursor.
+    list($cursor_type, $board_id_cursor_map) = decode_cursor($encoded_cursor);
+    $post_per_page = $config['mod']['ip_recentposts'];
+    $next_cursor_map = [];
+    $prev_cursor_map = [];
 
     $boards = listBoards();
     foreach ($boards as $board) {
-        openBoard($board['uri']);
-        if (!hasPermission($config['mod']['show_ip'], $board['uri']))
-            continue;
-        $query = prepare(sprintf('SELECT * FROM ``posts_%s`` WHERE `ip` = :ip ORDER BY `sticky` DESC, `id` DESC LIMIT :limit', $board['uri']));
-        $query->bindValue(':ip', $ip);
-        $query->bindValue(':limit', $config['mod']['ip_recentposts'], PDO::PARAM_INT);
-        $query->execute() or error(db_error($query));
+        $uri = $board['uri'];
+        openBoard($uri);
+        if (hasPermission($config['mod']['show_ip'], $uri)) {
+            // Extract the cursor relative to the board.
+            $id_cursor = false;
+            if (isset($board_id_cursor_map[$uri])) {
+                $value = $board_id_cursor_map[$uri];
+                if (is_numeric($value)) {
+                    $id_cursor = (int)$value;
+                }
+            }
 
-        while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
-            if (!$post['thread']) {
-                $po = new Thread($post, '?/', $mod, false);
+            if ($id_cursor === false) {
+                $query = prepare(sprintf('SELECT * FROM `posts_%s` WHERE `ip` = :ip ORDER BY `sticky` DESC, `id` DESC LIMIT :limit', $uri));
+                $query->bindValue(':ip', $ip);
+                $query->bindValue(':limit', $post_per_page + 1, PDO::PARAM_INT); // Always fetch more.
+                $query->execute();
+                $posts = $query->fetchAll(PDO::FETCH_ASSOC);
+            } elseif ($cursor_type === 'n') {
+                $query = prepare(sprintf('SELECT * FROM `posts_%s` WHERE `ip` = :ip AND `id` <= :start_id ORDER BY `sticky` DESC, `id` DESC LIMIT :limit', $uri));
+                $query->bindValue(':ip', $ip);
+                $query->bindValue(':start_id', $id_cursor, PDO::PARAM_INT);
+                $query->bindValue(':limit', $post_per_page + 2, PDO::PARAM_INT); // Always fetch more.
+                $query->execute();
+                $posts = $query->fetchAll(PDO::FETCH_ASSOC);
+            } elseif ($cursor_type === 'p') {
+                // FIXME
+                $query = prepare(sprintf('SELECT * FROM `posts_%s` WHERE `ip` = :ip AND `id` >= :start_id ORDER BY `sticky` ASC, `id` ASC LIMIT :limit', $uri));
+                $query->bindValue(':ip', $ip);
+                $query->bindValue(':start_id', $id_cursor, PDO::PARAM_INT);
+                $query->bindValue(':limit', $post_per_page + 2, PDO::PARAM_INT); // Always fetch more.
+                $query->execute();
+                $posts = array_reverse($query->fetchAll(PDO::FETCH_ASSOC));
             } else {
-                $po = new Post($post, '?/', $mod);
+                throw new RuntimeException("Unknown cursor type '$cursor_type'");
             }
 
-            if (!isset($args['posts'][$board['uri']])) {
-                $args['posts'][$board['uri']] = [ 'board' => $board, 'posts' => [] ];
+            $posts_count = count($posts);
+
+            if ($posts_count === $post_per_page + 2) {
+                $has_extra_prev_post = true;
+                $has_extra_end_post = true;
+            } elseif ($posts_count === $post_per_page + 1) {
+                $has_extra_prev_post = $id_cursor !== false && $posts[0]['id'] == $id_cursor;
+                $has_extra_end_post = !$has_extra_prev_post;
+            } else {
+                $has_extra_prev_post = false;
+                $has_extra_end_post = false;
+            }
+
+            // Get the previous cursor, if any.
+            if ($has_extra_prev_post) {
+                // Select the most recent post.
+                $prev_cursor_map[$uri] = $posts[1]['id'];
+                array_shift($posts);
+                $posts_count--;
+            }
+            // Get the next cursor, if any.
+            if ($has_extra_end_post) {
+                // Since we fetched 1 above the limit, we always know if there are any posts after the current page.
+                // Query orders by DESC, so the SECOND last post has the lowest ID.
+                array_pop($posts);
+                $next_cursor_map[$uri] = $posts[$posts_count - 2]['id'];
+            }
+
+            // Finally load the post contents and build them.
+            foreach ($posts as $post) {
+                if (!$post['thread']) {
+                    $po = new Thread($post, '?/', $mod, false);
+                } else {
+                    $po = new Post($post, '?/', $mod);
+                }
+
+                if (!isset($args['posts'][$uri])) {
+                    $args['posts'][$uri] = [ 'board' => $board, 'posts' => [] ];
+                }
+                $args['posts'][$uri]['posts'][] = $po->build(true);
             }
-            $args['posts'][$board['uri']]['posts'][] = $po->build(true);
         }
     }
 
+    // Build the cursors.
+    $args['cursor_prev'] = !empty($encoded_cursor) ? encode_cursor('p', $prev_cursor_map) : false;
+    $args['cursor_next'] = !empty($next_cursor_map) ? encode_cursor('n', $next_cursor_map) : false;
+
     $args['boards'] = $boards;
     $args['token'] = make_secure_link_token('ban');