From 68cb8b68957c5b83cec53bafa20a2a5599896f35 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@digitalocean.com>
Date: Wed, 19 Dec 2018 10:02:18 -0500
Subject: [PATCH] Closes #2701: Enable filtering of prefixes by exact prefix
 value

---
 CHANGELOG.md           |  4 ++++
 netbox/ipam/filters.py | 13 +++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ddf44d2129..9a93302b0ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 v2.5.2 (FUTURE)
 
+## Enhancements
+
+* [#2701](https://github.com/digitalocean/netbox/issues/2701) - Enable filtering of prefixes by exact prefix value
+
 ## Bug Fixes
 
 * [#2707](https://github.com/digitalocean/netbox/issues/2707) - Correct permission evaluation for circuit termination cabling
diff --git a/netbox/ipam/filters.py b/netbox/ipam/filters.py
index abef95c455e..22df1b1c922 100644
--- a/netbox/ipam/filters.py
+++ b/netbox/ipam/filters.py
@@ -112,6 +112,10 @@ class PrefixFilter(CustomFieldFilterSet, django_filters.FilterSet):
         method='search',
         label='Search',
     )
+    prefix = django_filters.CharFilter(
+        method='filter_prefix',
+        label='Prefix',
+    )
     within = django_filters.CharFilter(
         method='search_within',
         label='Within prefix',
@@ -197,6 +201,15 @@ def search(self, queryset, name, value):
             pass
         return queryset.filter(qs_filter)
 
+    def filter_prefix(self, queryset, name, value):
+        if not value.strip():
+            return queryset
+        try:
+            query = str(netaddr.IPNetwork(value).cidr)
+            return queryset.filter(prefix=query)
+        except ValidationError:
+            return queryset.none()
+
     def search_within(self, queryset, name, value):
         value = value.strip()
         if not value: