diff --git a/netbox/extras/tests/test_customvalidator.py b/netbox/extras/tests/test_customvalidator.py
index 3cb4f05cd..0fe507b67 100644
--- a/netbox/extras/tests/test_customvalidator.py
+++ b/netbox/extras/tests/test_customvalidator.py
@@ -2,7 +2,7 @@ from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.test import TestCase, override_settings
 
-from circuits.models import Provider
+from ipam.models import ASN, RIR
 from dcim.models import Site
 from extras.validators import CustomValidator
 
@@ -14,6 +14,20 @@ class MyValidator(CustomValidator):
             self.fail("Name must be foo!")
 
 
+min_validator = CustomValidator({
+    'asn': {
+        'min': 65000
+    }
+})
+
+
+max_validator = CustomValidator({
+    'asn': {
+        'max': 65100
+    }
+})
+
+
 min_length_validator = CustomValidator({
     'name': {
         'min_length': 5
@@ -53,6 +67,26 @@ custom_validator = MyValidator()
 
 class CustomValidatorTest(TestCase):
 
+    @classmethod
+    def setUpTestData(cls):
+        RIR.objects.create(name='RIR 1', slug='rir-1')
+
+    @override_settings(CUSTOM_VALIDATORS={'ipam.asn': [min_validator]})
+    def test_configuration(self):
+        self.assertIn('ipam.asn', settings.CUSTOM_VALIDATORS)
+        validator = settings.CUSTOM_VALIDATORS['ipam.asn'][0]
+        self.assertIsInstance(validator, CustomValidator)
+
+    @override_settings(CUSTOM_VALIDATORS={'ipam.asn': [min_validator]})
+    def test_min(self):
+        with self.assertRaises(ValidationError):
+            ASN(asn=1, rir=RIR.objects.first()).clean()
+
+    @override_settings(CUSTOM_VALIDATORS={'ipam.asn': [max_validator]})
+    def test_max(self):
+        with self.assertRaises(ValidationError):
+            ASN(asn=65535, rir=RIR.objects.first()).clean()
+
     @override_settings(CUSTOM_VALIDATORS={'dcim.site': [min_length_validator]})
     def test_min_length(self):
         with self.assertRaises(ValidationError):
diff --git a/netbox/utilities/tests/test_filters.py b/netbox/utilities/tests/test_filters.py
index 3a6e6b670..334f270dc 100644
--- a/netbox/utilities/tests/test_filters.py
+++ b/netbox/utilities/tests/test_filters.py
@@ -5,8 +5,6 @@ from django.test import TestCase
 from mptt.fields import TreeForeignKey
 from taggit.managers import TaggableManager
 
-from circuits.filtersets import CircuitFilterSet, ProviderFilterSet
-from circuits.models import Circuit, Provider
 from dcim.choices import *
 from dcim.fields import MACAddressField
 from dcim.filtersets import DeviceFilterSet, SiteFilterSet
@@ -15,6 +13,7 @@ from dcim.models import (
 )
 from extras.filters import TagFilter
 from extras.models import TaggedItem
+from ipam.filtersets import ASNFilterSet
 from ipam.models import RIR, ASN
 from netbox.filtersets import BaseFilterSet
 from utilities.filters import (
@@ -338,13 +337,14 @@ class DynamicFilterLookupExpressionTest(TestCase):
     """
     @classmethod
     def setUpTestData(cls):
+        rir = RIR.objects.create(name='RIR 1', slug='rir-1')
 
-        providers = (
-            Provider(name='Provider 1', slug='provider-1'),
-            Provider(name='Provider 2', slug='provider-2'),
-            Provider(name='Provider 3', slug='provider-3'),
+        asns = (
+            ASN(asn=65001, rir=rir),
+            ASN(asn=65101, rir=rir),
+            ASN(asn=65201, rir=rir),
         )
-        Provider.objects.bulk_create(providers)
+        ASN.objects.bulk_create(asns)
 
         manufacturers = (
             Manufacturer(name='Manufacturer 1', slug='manufacturer-1'),
@@ -389,15 +389,6 @@ class DynamicFilterLookupExpressionTest(TestCase):
         )
         Site.objects.bulk_create(sites)
 
-        rir = RIR.objects.create(name='RFC 6996', is_private=True)
-
-        asns = [
-            ASN(asn=65001, rir=rir),
-            ASN(asn=65101, rir=rir),
-            ASN(asn=65201, rir=rir)
-        ]
-        ASN.objects.bulk_create(asns)
-
         asns[0].sites.add(sites[0])
         asns[1].sites.add(sites[1])
         asns[2].sites.add(sites[2])
@@ -454,6 +445,22 @@ class DynamicFilterLookupExpressionTest(TestCase):
         params = {'slug__niew': ['-1']}
         self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)
 
+    def test_provider_asn_lt(self):
+        params = {'asn__lt': [65101]}
+        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 1)
+
+    def test_provider_asn_lte(self):
+        params = {'asn__lte': [65101]}
+        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 2)
+
+    def test_provider_asn_gt(self):
+        params = {'asn__lt': [65101]}
+        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 1)
+
+    def test_provider_asn_gte(self):
+        params = {'asn__gte': [65101]}
+        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 2)
+
     def test_site_region_negation(self):
         params = {'region__n': ['region-1']}
         self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)