From 4d7c23a2f1f7d2cc39d5ae7b0834b5fb92668088 Mon Sep 17 00:00:00 2001
From: IPQualityScore <50187766+IPQualityScore@users.noreply.github.com>
Date: Sat, 24 Jun 2023 11:39:37 -0400
Subject: [PATCH] Fix bug with some IPv6 lookups returning the wrong results.

---
 src/IPQualityScore/DB/DBReader.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/IPQualityScore/DB/DBReader.php b/src/IPQualityScore/DB/DBReader.php
index 44e1d07..39dd72f 100644
--- a/src/IPQualityScore/DB/DBReader.php
+++ b/src/IPQualityScore/DB/DBReader.php
@@ -229,7 +229,7 @@ protected function IP2Literal($ip){
         $result = "";
         if($this->ipv6){
             foreach(explode(':', static::expand($ip)) as $block){
-                $result .= base_convert($block, 16, 2);
+                $result .= str_pad(base_convert($block, 16, 2), 16, "0", STR_PAD_LEFT);
             }
         } else {
             foreach(explode('.', $ip) as $block){