diff --git a/netbox/ipam/api/serializers.py b/netbox/ipam/api/serializers.py
index 064452667..a5ca8a8a8 100644
--- a/netbox/ipam/api/serializers.py
+++ b/netbox/ipam/api/serializers.py
@@ -1,4 +1,5 @@
 from django.contrib.contenttypes.models import ContentType
+from drf_spectacular.types import OpenApiTypes
 from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 
@@ -24,7 +25,7 @@ class ASNRangeSerializer(NetBoxModelSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='ipam-api:asnrange-detail')
     rir = NestedRIRSerializer()
     tenant = NestedTenantSerializer(required=False, allow_null=True)
-    asn_count = serializers.IntegerField(read_only=True)
+    asn_count = serializers.SerializerMethodField(read_only=True)
 
     class Meta:
         model = ASNRange
@@ -33,6 +34,10 @@ class ASNRangeSerializer(NetBoxModelSerializer):
             'custom_fields', 'created', 'last_updated', 'asn_count',
         ]
 
+    @extend_schema_field(OpenApiTypes.INT)
+    def get_asn_count(self, obj):
+        return obj.get_child_asns().count()
+
 
 #
 # ASNs
diff --git a/netbox/ipam/tables/asn.py b/netbox/ipam/tables/asn.py
index 511e914ec..cdeba7d03 100644
--- a/netbox/ipam/tables/asn.py
+++ b/netbox/ipam/tables/asn.py
@@ -21,10 +21,10 @@ class ASNRangeTable(TenancyColumnsMixin, NetBoxTable):
     tags = columns.TagColumn(
         url_name='ipam:asnrange_list'
     )
-    asn_count = columns.LinkedCountColumn(
-        viewname='ipam:asn_list',
-        url_params={'asn_id': 'pk'},
-        verbose_name=_('ASN Count')
+    asn_count = columns.TemplateColumn(
+        orderable=False,
+        verbose_name=_('ASN Count'),
+        template_code='''{{ record.get_child_asns.count }}'''
     )
 
     class Meta(NetBoxTable.Meta):