From 96565c31d93c8a1446020e449cf9dd04c3791c57 Mon Sep 17 00:00:00 2001
From: Daniel Sheppard <dans@dansheps.com>
Date: Thu, 28 Oct 2021 10:04:12 -0500
Subject: [PATCH] #6732 - ASN should be unique

---
 netbox/ipam/migrations/0052_unique_asn.py | 19 +++++++++++++++++++
 netbox/ipam/models/ip.py                  |  1 +
 2 files changed, 20 insertions(+)
 create mode 100644 netbox/ipam/migrations/0052_unique_asn.py

diff --git a/netbox/ipam/migrations/0052_unique_asn.py b/netbox/ipam/migrations/0052_unique_asn.py
new file mode 100644
index 000000000..8a5bb1da9
--- /dev/null
+++ b/netbox/ipam/migrations/0052_unique_asn.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.2.8 on 2021-10-28 15:03
+
+import dcim.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ipam', '0051_asn_model'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='asn',
+            name='asn',
+            field=dcim.fields.ASNField(blank=True, null=True, unique=True),
+        ),
+    ]
diff --git a/netbox/ipam/models/ip.py b/netbox/ipam/models/ip.py
index 45baf8258..110d93cfe 100644
--- a/netbox/ipam/models/ip.py
+++ b/netbox/ipam/models/ip.py
@@ -74,6 +74,7 @@ class RIR(OrganizationalModel):
 class ASN(PrimaryModel):
 
     asn = ASNField(
+        unique=True,
         blank=True,
         null=True,
         verbose_name='ASN',