diff --git a/initializers/devices.yml b/initializers/devices.yml
index 708b68c..e968503 100644
--- a/initializers/devices.yml
+++ b/initializers/devices.yml
@@ -29,6 +29,8 @@
 #   rack: rack-02
 #   face: front
 #   position: 2
+#   primary_ip4: 10.1.1.2/24
+#   primary_ip6: 2001:db8:a000:1::2/64
 #   custom_fields:
 #     text_field: Description
 # - name: server03
diff --git a/initializers/virtual_machines.yml b/initializers/virtual_machines.yml
index 2122920..918df93 100644
--- a/initializers/virtual_machines.yml
+++ b/initializers/virtual_machines.yml
@@ -21,6 +21,8 @@
 #   memory: 2048
 #   name: virtual machine 2
 #   platform: Platform 2
+#   primary_ip4: 10.1.1.10/24
+#   primary_ip6: 2001:db8:a000:1::10/64
 #   status: active
 #   tenant: tenant1
 #   vcpus: 8
diff --git a/startup_scripts/130_devices.py b/startup_scripts/130_devices.py
index 1e0d894..7233dd0 100644
--- a/startup_scripts/130_devices.py
+++ b/startup_scripts/130_devices.py
@@ -1,5 +1,4 @@
 from dcim.models import Site, Rack, DeviceRole, DeviceType, Device, Platform
-from ipam.models import IPAddress
 from virtualization.models import Cluster
 from tenancy.models import Tenant
 from extras.models import CustomField, CustomFieldValue
@@ -21,13 +20,14 @@ optional_assocs = {
   'tenant': (Tenant, 'name'),
   'platform': (Platform, 'name'),
   'rack': (Rack, 'name'),
-  'cluster': (Cluster, 'name'),
-  'primary_ip4': (IPAddress, 'address'),
-  'primary_ip6': (IPAddress, 'address')
+  'cluster': (Cluster, 'name')
 }
 
 for params in devices:
   custom_fields = params.pop('custom_fields', None)
+  # primary ips are handled later in `270_primary_ips.py`
+  params.pop('primary_ip4', None)
+  params.pop('primary_ip6', None)
 
   for assoc, details in required_assocs.items():
     model, field = details
diff --git a/startup_scripts/230_virtual_machines.py b/startup_scripts/230_virtual_machines.py
index 6776c4d..f138886 100644
--- a/startup_scripts/230_virtual_machines.py
+++ b/startup_scripts/230_virtual_machines.py
@@ -22,6 +22,9 @@ optional_assocs = {
 
 for params in virtual_machines:
   custom_fields = params.pop('custom_fields', None)
+  # primary ips are handled later in `270_primary_ips.py`
+  params.pop('primary_ip4', None)
+  params.pop('primary_ip6', None)
 
   for assoc, details in required_assocs.items():
     model, field = details
diff --git a/startup_scripts/270_primary_ips.py b/startup_scripts/270_primary_ips.py
new file mode 100644
index 0000000..2ddab81
--- /dev/null
+++ b/startup_scripts/270_primary_ips.py
@@ -0,0 +1,43 @@
+from dcim.models import Device
+from ipam.models import IPAddress
+from virtualization.models import VirtualMachine
+from startup_script_utils import load_yaml
+import sys
+
+def link_primary_ip(assets, asset_model):
+  for params in assets:
+    primary_ip_fields = set(params) & {'primary_ip4', 'primary_ip6'}
+    if not primary_ip_fields:
+      continue
+
+    for assoc, details in optional_assocs.items():
+      if assoc in params:
+        model, field = details
+        query = { field: params.pop(assoc) }
+
+        try:
+          params[assoc] = model.objects.get(**query)
+        except model.DoesNotExist:
+          primary_ip_fields -= {assoc}
+          print(f"⚠️ IP Address {query[field]} not found")
+
+    asset = asset_model.objects.get(name=params['name'])
+    for field in primary_ip_fields:
+      if getattr(asset, field) != params[field]:
+        setattr(asset, field, params[field])
+        print(f"🧬 Linked primary IP {params[field].address} on {asset.name}")
+    asset.save()
+
+devices = load_yaml('/opt/netbox/initializers/devices.yml')
+virtual_machines = load_yaml('/opt/netbox/initializers/virtual_machines.yml')
+
+if devices is None and virtual_machines is None:
+    sys.exit()
+
+optional_assocs = {
+    'primary_ip4': (IPAddress, 'address'),
+    'primary_ip6': (IPAddress, 'address')
+}
+
+link_primary_ip(devices, Device)
+link_primary_ip(virtual_machines, VirtualMachine)