From 6f0f3cc11590c29c4d31f85637cb049d898e032c Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@digitalocean.com>
Date: Thu, 3 Aug 2017 10:09:37 -0400
Subject: [PATCH] Fixes #1390: Fixed IndexError when viewing available IPs
 within large IPv6 prefixes

---
 netbox/ipam/api/views.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/netbox/ipam/api/views.py b/netbox/ipam/api/views.py
index 87511d5c5..9cf93cb4b 100644
--- a/netbox/ipam/api/views.py
+++ b/netbox/ipam/api/views.py
@@ -115,7 +115,11 @@ class PrefixViewSet(WritableSerializerMixin, CustomFieldModelViewSet):
                 limit = min(limit, settings.MAX_PAGE_SIZE)
 
             # Calculate available IPs within the prefix
-            ip_list = list(prefix.get_available_ips())[:limit]
+            ip_list = []
+            for index, ip in enumerate(prefix.get_available_ips(), start=1):
+                ip_list.append(ip)
+                if index == limit:
+                    break
             serializer = serializers.AvailableIPSerializer(ip_list, many=True, context={
                 'request': request,
                 'prefix': prefix.prefix,