diff --git a/index.php b/index.php
new file mode 100644
index 0000000..81bcdda
--- /dev/null
+++ b/index.php
@@ -0,0 +1,128 @@
+
+<style>.blocks {
+    background-color: pink;
+}</style>
+
+<h2>enwiki IPv4 Rangeblock finder</h2>
+<form method="post">
+<input type="text" name="ip" placeholder="IP Address" />
+<button type="submit">Search</button>
+</form>
+<?php
+if(!isset($_POST['ip'])) {
+  die();
+}
+
+$cookieJar = tempnam("/tmp", "CURLCOOKIE");
+$curlOpt = array(
+    CURLOPT_COOKIEFILE => $cookieJar,
+    CURLOPT_COOKIEJAR => $cookieJar,
+    CURLOPT_RETURNTRANSFER => 1,
+    CURLOPT_USERAGENT => 'RangeblockFinder/0.1 (+mailto:wikimedia@stwalkerster.co.uk)',
+
+);
+
+const API_ENWIKI = 'https://en.wikipedia.org/w/api.php';
+const API_METAWIKI = 'https://meta.wikimedia.org/w/api.php';
+
+function apiQuery($base, array $params, array $substitutions, $post = false)
+{
+    global $curlOpt;
+
+    $usableParams = [];
+
+    foreach ($params as $k => $v) {
+        $val = $v;
+
+        foreach ($substitutions as $kid => $repl) {
+            $val = str_replace('{' . $kid . '}', $repl, $val);
+        }
+
+        $usableParams[$k] = $val;
+    }
+
+    $usableParams['format'] = 'json';
+
+    $queryString = http_build_query($usableParams);
+
+    $url = $base;
+
+    if (!$post) {
+        $url .= '?' . $queryString;
+    }
+
+    $ch = curl_init();
+    curl_setopt_array($ch, $curlOpt);
+    curl_setopt($ch, CURLOPT_URL, $url);
+
+    if ($post) {
+        curl_setopt($ch, CURLOPT_POST, true);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $queryString);
+    }
+
+    $data = curl_exec($ch);
+
+    if (curl_errno($ch)) {
+        die('cURL Error: ' . curl_error($ch));
+    }
+
+    return json_decode($data);
+}
+
+function countBlocks($target) {
+  $enwikiGeneralQuery = [
+      'action' => 'query',
+      'list' => 'logevents',
+      'letitle' => 'User:{0}',
+      'letype' => 'block',
+  ];
+
+  $data = apiQuery(API_ENWIKI, $enwikiGeneralQuery, [$target]);
+  return count($data->query->logevents);
+}
+function countGlobalBlocks($target) {
+  $metaGeneralQuery = [
+      'action' => 'query',
+      'list' => 'logevents',
+      'letitle' => 'User:{0}',
+      'letype' => 'gblblock',
+  ];
+
+  $data = apiQuery(API_METAWIKI, $metaGeneralQuery, [$target]);
+  return count($data->query->logevents);
+}
+
+$ip = filter_var(trim($_POST['ip']), FILTER_VALIDATE_IP);
+if($ip === false) {
+  die('Not a valid IP!');
+}
+
+$ipBlocks = countBlocks($ip);
+$ipGBlocks = countGlobalBlocks($ip);
+
+?>
+<table><thead><tr><th>Target</th><th>Local count</th><th/><th>Global count</th><th/></tr></thead><tbody>
+<tr>
+  <td><?= $ip ?>/32</td>
+  <td class="<?= $ipBlocks > 0 ? "blocks" : "" ?>"><?= $ipBlocks ?></td>
+  <td><a href="https://en.wikipedia.org/w/index.php?title=Special%3ALog&type=block&page=User%3A<?= urlencode($ip) ?>">Local log</a>
+  <td class="<?= $ipGBlocks > 0 ? "blocks" : "" ?>"><?= $ipGBlocks ?></td>
+  <td><a href="https://meta.wikimedia.org/w/index.php?title=Special:Log&type=gblblock&page=<?= urlencode($ip) ?>">Global log</a>
+</tr>
+<?php
+$ipl = ip2long($ip);
+for($x = 31; $x >= 16; --$x) {
+  $mask = -1 << 32 - $x;
+  $val = $ipl & $mask;
+  $range = long2ip($val) . '/' . $x;
+  $ipBlocks = countBlocks($range);
+  $ipGBlocks = countGlobalBlocks($range);
+  ?><tr>
+    <td><?= $range ?></td>
+    <td class="<?= $ipBlocks > 0 ? "blocks" : "" ?>"><?= $ipBlocks ?></td>
+    <td><a href="https://en.wikipedia.org/w/index.php?title=Special%3ALog&type=block&page=User%3A<?= urlencode($range) ?>">Local log</a>
+    <td class="<?= $ipGBlocks > 0 ? "blocks" : "" ?>"><?= $ipGBlocks ?></td>
+    <td><a href="https://meta.wikimedia.org/w/index.php?title=Special:Log&type=gblblock&page=<?= urlencode($range) ?>">Global log</a>
+  </tr><?php
+}
+?></tbody></table>