From 09a70985fbfc016c71617d15f5cf826c7a75714e Mon Sep 17 00:00:00 2001
From: Mykhailo Gorianskyi <goreanski@gmail.com>
Date: Wed, 9 Oct 2024 22:11:05 +0200
Subject: [PATCH] Fixed an issue when some ip v6 weren't found

---
 package.json | 2 +-
 src/index.js | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index 62b23c7c..78612e05 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "type": "module",
   "name": "ip-index",
-  "version": "2.0.17",
+  "version": "2.1.0",
   "repository": "https://github.com/Umkus/ip-index.git",
   "license": "UNLICENCED",
   "description": "Block-list containing IPs belonging to hosting data centers",
diff --git a/src/index.js b/src/index.js
index 79bcea4a..083a8310 100644
--- a/src/index.js
+++ b/src/index.js
@@ -34,13 +34,17 @@ function getPosition(subnet, start) {
   const part = subnet.split(/[:\.]/)[start]
   const isIpV6 = subnet.includes(':')
 
+  if (!part) {
+    return null
+  }
+
   return parseInt(part, isIpV6 ? 16 : 10)
 }
 
 // Check if ip 4 vs 6
 
 function indexRow(item, index, indexes) {
-  if (!index || !item) {
+  if (!item) {
     return null
   }
 
@@ -127,7 +131,7 @@ export function getIpInfo(ip) {
     ipPosition2 = availableKeys.reverse().find((key) => key <= ipPosition2)
 
     if (!indexes[ipPosition1][ipPosition2]) {
-      return []
+      return indexes[ipPosition1][null] || []
     }
   }