From 265f375595f42cdba4e0d5eb5fd0e038f9f24ac3 Mon Sep 17 00:00:00 2001
From: Jason Novinger <jnovinger@gmail.com>
Date: Wed, 17 Dec 2025 09:48:45 -0600
Subject: [PATCH] Fixes #20876: Allow editing IPAddress in IPRange marked
 populated

---
 netbox/ipam/models/ip.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/netbox/ipam/models/ip.py b/netbox/ipam/models/ip.py
index b31c9a14b..75ab5a93b 100644
--- a/netbox/ipam/models/ip.py
+++ b/netbox/ipam/models/ip.py
@@ -910,13 +910,13 @@ class IPAddress(ContactsMixin, PrimaryModel):
                     })
 
             # Disallow the creation of IPAddresses within an IPRange with mark_populated=True
-            parent_range = IPRange.objects.filter(
+            parent_range_qs = IPRange.objects.filter(
                 start_address__lte=self.address,
                 end_address__gte=self.address,
                 vrf=self.vrf,
                 mark_populated=True
-            ).first()
-            if parent_range:
+            )
+            if not self.pk and (parent_range := parent_range_qs.first()):
                 raise ValidationError({
                     'address': _(
                         "Cannot create IP address {ip} inside range {range}."