Moves related ips to a tab (#12502)

* moves related ips to a tab #12233

* Refactor IP address templates to use a base template

---------

Co-authored-by: jeremystretch <jstretch@netboxlabs.com>

netbox/ipam/models/ip.py

@@ -783,6 +783,14 @@ class IPAddress(PrimaryModel):
                 if available_ips:
                     return next(iter(available_ips))
 
+    def get_related_ips(self):
+        """
+        Return all IPAddresses belonging to the same VRF.
+        """
+        return IPAddress.objects.exclude(address=str(self.address)).filter(
+            vrf=self.vrf, address__net_contained_or_equal=str(self.address)
+        )
+
     def clean(self):
         super().clean()