diff --git a/plugins/serendipity_event_statistics/serendipity_event_statistics.php b/plugins/serendipity_event_statistics/serendipity_event_statistics.php
index 5fcabbdb..a3a99b9b 100644
--- a/plugins/serendipity_event_statistics/serendipity_event_statistics.php
+++ b/plugins/serendipity_event_statistics/serendipity_event_statistics.php
@@ -840,6 +840,7 @@ class serendipity_event_statistics extends serendipity_event
             <dd>
                 <table width="100%" cellpadding="0" cellspacing="0">
                     <?php
+                    $resolvedHosts = array();
                     $i=1;
                     $color = "col2";
                     if (is_array($visitors_latest)) {
@@ -857,7 +858,14 @@ class serendipity_event_statistics extends serendipity_event
                                 echo "<td class = \"".$color."\">".wordwrap($row['browser'], 25, "<br />", 1)."</td>\n";
                                 echo "<td class = \"".$color."\">";
                                 if ($row['ip']){
-                                    echo wordwrap(gethostbyaddr($row['ip']), 25, "\n", 1);
+                                    $curIP = $row['ip'];
+                                    if (array_key_exists($curIP, $resolvedHosts)) {
+                                        $resolvedHost = $resolvedHosts[$curIP];
+                                    } else {
+                                        $resolvedHost = gethostbyaddr($curIP);
+                                        $resolvedHosts[$curIP] = $resolvedHost;
+                                    }
+                                    echo wordwrap($resolvedHost, 25, "\n", 1);
                                 } else {
                                     echo "--";
                                 }