diff --git a/contrib/tag_history/main.php b/contrib/tag_history/main.php
index 6bfa1928..40835fc3 100644
--- a/contrib/tag_history/main.php
+++ b/contrib/tag_history/main.php
@@ -18,7 +18,7 @@ class Tag_History extends SimpleExtension {
 			$this->install();
 		}
 	}
-		
+
 	public function onAdminBuildingEvent($event) {
 		global $user;
 
@@ -251,6 +251,18 @@ class Tag_History extends SimpleExtension {
 		return ($row ? $row : array());
 	}
 	
+	/* This doesn't actually get _ALL_ IPs as it limits to 1000. */
+	public function get_all_user_ips()
+	{
+		global $database;
+		$row = $database->get_all("
+				SELECT DISTINCT user_ip
+				FROM tag_histories
+				ORDER BY tag_histories.user_ip DESC
+				LIMIT 1000");
+		return ($row ? $row : array());
+	}
+	
 	/*
 	 * This function attempts to revert all changes by a given IP within an (optional) timeframe.
 	 */