From 0827198cad4c358e3b32b463df72f660df459cea Mon Sep 17 00:00:00 2001
From: Marcus Weiner <marcus.weiner@gmail.com>
Date: Sun, 3 Aug 2025 15:19:58 +0200
Subject: [PATCH] Implement contains filter for IPAM prefixes

---
 netbox/ipam/graphql/filters.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/netbox/ipam/graphql/filters.py b/netbox/ipam/graphql/filters.py
index c66b8d483..b7eedf1a6 100644
--- a/netbox/ipam/graphql/filters.py
+++ b/netbox/ipam/graphql/filters.py
@@ -238,6 +238,15 @@ class PrefixFilter(ContactFilterMixin, ScopedFilterMixin, TenancyFilterMixin, Pr
     is_pool: FilterLookup[bool] | None = strawberry_django.filter_field()
     mark_utilized: FilterLookup[bool] | None = strawberry_django.filter_field()
 
+    @strawberry_django.filter_field()
+    def contains(self, value: list[str], prefix) -> Q:
+        if not value:
+            return Q()
+        q = Q()
+        for subnet in value:
+            query = str(netaddr.IPNetwork(subnet.strip()).cidr)
+            q |= Q(prefix__net_contains=query)
+        return q
 
 @strawberry_django.filter_type(models.RIR, lookups=True)
 class RIRFilter(OrganizationalModelFilterMixin):