Introduce ASNRange model

netbox/ipam/api/nested_serializers.py

@@ -7,6 +7,7 @@ from netbox.api.serializers import WritableNestedSerializer
 __all__ = [
     'NestedAggregateSerializer',
     'NestedASNSerializer',
+    'NestedASNRangeSerializer',
     'NestedFHRPGroupSerializer',
     'NestedFHRPGroupAssignmentSerializer',
     'NestedIPAddressSerializer',
@@ -25,6 +26,18 @@ __all__ = [
 ]
 
 
+#
+# ASN ranges
+#
+
+class NestedASNRangeSerializer(WritableNestedSerializer):
+    url = serializers.HyperlinkedIdentityField(view_name='ipam-api:asnrange-detail')
+
+    class Meta:
+        model = models.ASNRange
+        fields = ['id', 'url', 'display', 'name']
+
+
 #
 # ASNs
 #

netbox/ipam/api/serializers.py

@@ -15,12 +15,26 @@ from virtualization.api.nested_serializers import NestedVirtualMachineSerializer
 from .nested_serializers import *
 
 
+#
+# ASN ranges
+#
+
+class ASNRangeSerializer(NetBoxModelSerializer):
+    url = serializers.HyperlinkedIdentityField(view_name='ipam-api:asnrange-detail')
+    tenant = NestedTenantSerializer(required=False, allow_null=True)
+    asn_count = serializers.IntegerField(read_only=True)
+
+    class Meta:
+        model = ASNRange
+        fields = [
+            'id', 'url', 'display', 'name', 'slug', 'start', 'end', 'tenant', 'description', 'tags', 'custom_fields',
+            'created', 'last_updated', 'asn_count',
+        ]
+
+
 #
 # ASNs
 #
-from .nested_serializers import NestedL2VPNSerializer
-from ..models.l2vpn import L2VPNTermination, L2VPN
-
 
 class ASNSerializer(NetBoxModelSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='ipam-api:asn-detail')

netbox/ipam/api/urls.py

@@ -7,44 +7,22 @@ from . import views
 router = NetBoxRouter()
 router.APIRootView = views.IPAMRootView
 
-# ASNs
 router.register('asns', views.ASNViewSet)
-
-# VRFs
+router.register('asn-ranges', views.ASNRangeViewSet)
 router.register('vrfs', views.VRFViewSet)
-
-# Route targets
 router.register('route-targets', views.RouteTargetViewSet)
-
-# RIRs
 router.register('rirs', views.RIRViewSet)
-
-# Aggregates
 router.register('aggregates', views.AggregateViewSet)
-
-# Prefixes
 router.register('roles', views.RoleViewSet)
 router.register('prefixes', views.PrefixViewSet)
-
-# IP ranges
 router.register('ip-ranges', views.IPRangeViewSet)
-
-# IP addresses
 router.register('ip-addresses', views.IPAddressViewSet)
-
-# FHRP groups
 router.register('fhrp-groups', views.FHRPGroupViewSet)
 router.register('fhrp-group-assignments', views.FHRPGroupAssignmentViewSet)
-
-# VLANs
 router.register('vlan-groups', views.VLANGroupViewSet)
 router.register('vlans', views.VLANViewSet)
-
-# Services
 router.register('service-templates', views.ServiceTemplateViewSet)
 router.register('services', views.ServiceViewSet)
-
-# L2VPN
 router.register('l2vpns', views.L2VPNViewSet)
 router.register('l2vpn-terminations', views.L2VPNTerminationViewSet)
 

netbox/ipam/api/views.py

@@ -33,6 +33,14 @@ class IPAMRootView(APIRootView):
 # Viewsets
 #
 
+class ASNRangeViewSet(NetBoxModelViewSet):
+    queryset = ASNRange.objects.prefetch_related('tenant').annotate(
+        asn_count=count_related(ASN, 'range')
+    )
+    serializer_class = serializers.ASNRangeSerializer
+    filterset_class = filtersets.ASNRangeFilterSet
+
+
 class ASNViewSet(NetBoxModelViewSet):
     queryset = ASN.objects.prefetch_related('tenant', 'rir').annotate(
         site_count=count_related(Site, 'asns'),

netbox/ipam/filtersets.py

@@ -20,6 +20,7 @@ from .models import *
 __all__ = (
     'AggregateFilterSet',
     'ASNFilterSet',
+    'ASNRangeFilterSet',
     'FHRPGroupAssignmentFilterSet',
     'FHRPGroupFilterSet',
     'IPAddressFilterSet',
@@ -167,6 +168,19 @@ class AggregateFilterSet(NetBoxModelFilterSet, TenancyFilterSet):
             return queryset.none()
 
 
+class ASNRangeFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
+
+    class Meta:
+        model = ASNRange
+        fields = ['id', 'start', 'end', 'description']
+
+    def search(self, queryset, name, value):
+        if not value.strip():
+            return queryset
+        qs_filter = Q(description__icontains=value)
+        return queryset.filter(qs_filter)
+
+
 class ASNFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
     rir_id = django_filters.ModelMultipleChoiceFilter(
         queryset=RIR.objects.all(),

netbox/ipam/forms/bulk_edit.py

@@ -16,6 +16,7 @@ from utilities.forms import (
 __all__ = (
     'AggregateBulkEditForm',
     'ASNBulkEditForm',
+    'ASNRangeBulkEditForm',
     'FHRPGroupBulkEditForm',
     'IPAddressBulkEditForm',
     'IPRangeBulkEditForm',
@@ -97,6 +98,23 @@ class RIRBulkEditForm(NetBoxModelBulkEditForm):
     nullable_fields = ('is_private', 'description')
 
 
+class ASNRangeBulkEditForm(NetBoxModelBulkEditForm):
+    tenant = DynamicModelChoiceField(
+        queryset=Tenant.objects.all(),
+        required=False
+    )
+    description = forms.CharField(
+        max_length=200,
+        required=False
+    )
+
+    model = ASNRange
+    fieldsets = (
+        (None, ('tenant', 'description')),
+    )
+    nullable_fields = ('date_added', 'description')
+
+
 class ASNBulkEditForm(NetBoxModelBulkEditForm):
     sites = DynamicModelMultipleChoiceField(
         queryset=Site.objects.all(),

netbox/ipam/forms/bulk_import.py

@@ -15,6 +15,7 @@ from virtualization.models import VirtualMachine, VMInterface
 __all__ = (
     'AggregateImportForm',
     'ASNImportForm',
+    'ASNRangeImportForm',
     'FHRPGroupImportForm',
     'IPAddressImportForm',
     'IPRangeImportForm',
@@ -87,6 +88,19 @@ class AggregateImportForm(NetBoxModelImportForm):
         fields = ('prefix', 'rir', 'tenant', 'date_added', 'description', 'comments', 'tags')
 
 
+class ASNRangeImportForm(NetBoxModelImportForm):
+    tenant = CSVModelChoiceField(
+        queryset=Tenant.objects.all(),
+        required=False,
+        to_field_name='name',
+        help_text=_('Assigned tenant')
+    )
+
+    class Meta:
+        model = ASNRange
+        fields = ('name', 'slug', 'start', 'end', 'tenant', 'description', 'tags')
+
+
 class ASNImportForm(NetBoxModelImportForm):
     rir = CSVModelChoiceField(
         queryset=RIR.objects.all(),

netbox/ipam/forms/filtersets.py

@@ -17,6 +17,7 @@ from virtualization.models import VirtualMachine
 __all__ = (
     'AggregateFilterForm',
     'ASNFilterForm',
+    'ASNRangeFilterForm',
     'FHRPGroupFilterForm',
     'IPAddressFilterForm',
     'IPRangeFilterForm',
@@ -114,6 +115,22 @@ class AggregateFilterForm(TenancyFilterForm, NetBoxModelFilterSetForm):
     tag = TagFilterField(model)
 
 
+class ASNRangeFilterForm(TenancyFilterForm, NetBoxModelFilterSetForm):
+    model = ASNRange
+    fieldsets = (
+        (None, ('q', 'filter_id', 'tag')),
+        ('Range', ('start', 'end')),
+        ('Tenant', ('tenant_group_id', 'tenant_id')),
+    )
+    start = forms.IntegerField(
+        required=False
+    )
+    end = forms.IntegerField(
+        required=False
+    )
+    tag = TagFilterField(model)
+
+
 class ASNFilterForm(TenancyFilterForm, NetBoxModelFilterSetForm):
     model = ASN
     fieldsets = (

netbox/ipam/forms/model_forms.py

@@ -20,6 +20,7 @@ from virtualization.models import Cluster, ClusterGroup, VirtualMachine, VMInter
 __all__ = (
     'AggregateForm',
     'ASNForm',
+    'ASNRangeForm',
     'FHRPGroupForm',
     'FHRPGroupAssignmentForm',
     'IPAddressAssignForm',
@@ -128,6 +129,20 @@ class AggregateForm(TenancyForm, NetBoxModelForm):
         }
 
 
+class ASNRangeForm(TenancyForm, NetBoxModelForm):
+    slug = SlugField()
+    fieldsets = (
+        ('ASN Range', ('name', 'slug', 'start', 'end', 'description', 'tags')),
+        ('Tenancy', ('tenant_group', 'tenant')),
+    )
+
+    class Meta:
+        model = ASNRange
+        fields = [
+            'name', 'slug', 'start', 'end', 'tenant_group', 'tenant', 'description', 'tags'
+        ]
+
+
 class ASNForm(TenancyForm, NetBoxModelForm):
     rir = DynamicModelChoiceField(
         queryset=RIR.objects.all(),

netbox/ipam/graphql/schema.py

@@ -8,6 +8,9 @@ class IPAMQuery(graphene.ObjectType):
     asn = ObjectField(ASNType)
     asn_list = ObjectListField(ASNType)
 
+    asnrange = ObjectField(ASNRangeType)
+    asnrange_list = ObjectListField(ASNRangeType)
+
     aggregate = ObjectField(AggregateType)
     aggregate_list = ObjectListField(AggregateType)
 

netbox/ipam/graphql/types.py

@@ -1,6 +1,5 @@
 import graphene
 
-from graphene_django import DjangoObjectType
 from extras.graphql.mixins import ContactsMixin
 from ipam import filtersets, models
 from netbox.graphql.scalars import BigInt
@@ -8,6 +7,7 @@ from netbox.graphql.types import BaseObjectType, OrganizationalObjectType, NetBo
 
 __all__ = (
     'ASNType',
+    'ASNRangeType',
     'AggregateType',
     'FHRPGroupType',
     'FHRPGroupAssignmentType',
@@ -36,6 +36,14 @@ class ASNType(NetBoxObjectType):
         filterset_class = filtersets.ASNFilterSet
 
 
+class ASNRangeType(NetBoxObjectType):
+
+    class Meta:
+        model = models.ASNRange
+        fields = '__all__'
+        filterset_class = filtersets.ASNRangeFilterSet
+
+
 class AggregateType(NetBoxObjectType):
 
     class Meta:

netbox/ipam/migrations/0064_asnrange.py

@@ -0,0 +1,45 @@
+# Generated by Django 4.1.7 on 2023-02-25 19:49
+
+from django.db import migrations, models
+import django.db.models.deletion
+import ipam.fields
+import taggit.managers
+import utilities.json
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tenancy', '0009_standardize_description_comments'),
+        ('extras', '0087_dashboard'),
+        ('ipam', '0063_standardize_description_comments'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ASNRange',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
+                ('created', models.DateTimeField(auto_now_add=True, null=True)),
+                ('last_updated', models.DateTimeField(auto_now=True, null=True)),
+                ('custom_field_data', models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder)),
+                ('description', models.CharField(blank=True, max_length=200)),
+                ('name', models.CharField(max_length=100, unique=True)),
+                ('slug', models.SlugField(max_length=100, unique=True)),
+                ('start', ipam.fields.ASNField()),
+                ('end', ipam.fields.ASNField()),
+                ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
+                ('tenant', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='asn_ranges', to='tenancy.tenant')),
+            ],
+            options={
+                'verbose_name': 'ASN range',
+                'verbose_name_plural': 'ASN ranges',
+                'ordering': ('name',),
+            },
+        ),
+        migrations.AddField(
+            model_name='asn',
+            name='range',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='ipam.asnrange'),
+        ),
+    ]

netbox/ipam/models/__init__.py

@@ -9,6 +9,7 @@ from .vlans import *
 
 __all__ = (
     'ASN',
+    'ASNRange',
     'Aggregate',
     'IPAddress',
     'IPRange',

netbox/ipam/models/asns.py

@@ -1,13 +1,14 @@
-from django.contrib.postgres.fields import ArrayField
+from django.core.exceptions import ValidationError
 from django.db import models
 from django.urls import reverse
 from django.utils.translation import gettext as _
 
 from ipam.fields import ASNField
-from netbox.models import PrimaryModel
+from netbox.models import OrganizationalModel, PrimaryModel
 
 __all__ = (
     'ASN',
+    'ASNRange',
 )
 
 
@@ -16,6 +17,12 @@ class ASN(PrimaryModel):
     An autonomous system (AS) number is typically used to represent an independent routing domain. A site can have
     one or more ASNs assigned to it.
     """
+    range = models.ForeignKey(
+        to='ipam.ASNRange',
+        on_delete=models.PROTECT,
+        blank=True,
+        null=True
+    )
     asn = ASNField(
         unique=True,
         verbose_name='ASN',
@@ -68,3 +75,49 @@ class ASN(PrimaryModel):
             return f'{self.asn} ({self.asn // 65536}.{self.asn % 65536})'
         else:
             return self.asn
+
+    def clean(self):
+        if self.range and self.asn not in self.range.range:
+            raise ValidationError(f"ASN {self.asn} is outside of assigned range ({self.range})")
+
+
+class ASNRange(OrganizationalModel):
+    name = models.CharField(
+        max_length=100,
+        unique=True
+    )
+    slug = models.SlugField(
+        max_length=100,
+        unique=True
+    )
+    start = ASNField()
+    end = ASNField()
+    tenant = models.ForeignKey(
+        to='tenancy.Tenant',
+        on_delete=models.PROTECT,
+        related_name='asn_ranges',
+        blank=True,
+        null=True
+    )
+
+    class Meta:
+        ordering = ('name',)
+        verbose_name = 'ASN range'
+        verbose_name_plural = 'ASN ranges'
+
+    def __str__(self):
+        return f'ASNs {self.range_as_string()}'
+
+    def get_absolute_url(self):
+        return reverse('ipam:asnrange', args=[self.pk])
+
+    @property
+    def range(self):
+        return range(self.start, self.end + 1)
+
+    def range_as_string(self):
+        return f'{self.start}-{self.end}'
+
+    def clean(self):
+        if self.end <= self.start:
+            raise ValidationError(f"Starting ASN ({self.start}) must be lower than ending ASN ({self.end}).")

netbox/ipam/search.py

@@ -22,6 +22,14 @@ class ASNIndex(SearchIndex):
     )
 
 
+@register_search
+class ASNRangeIndex(SearchIndex):
+    model = models.ASNRange
+    fields = (
+        ('description', 500),
+    )
+
+
 @register_search
 class FHRPGroupIndex(SearchIndex):
     model = models.FHRPGroup

netbox/ipam/tables/__init__.py

@@ -1,3 +1,4 @@
+from .asn import *
 from .fhrp import *
 from .ip import *
 from .l2vpn import *

netbox/ipam/tables/asn.py

@@ -0,0 +1,69 @@
+import django_tables2 as tables
+from django.utils.translation import gettext as _
+
+from ipam.models import *
+from netbox.tables import NetBoxTable, columns
+from tenancy.tables import TenancyColumnsMixin
+
+__all__ = (
+    'ASNTable',
+    'ASNRangeTable',
+)
+
+
+class ASNRangeTable(TenancyColumnsMixin, NetBoxTable):
+    name = tables.Column(
+        linkify=True
+    )
+    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')
+    )
+
+    class Meta(NetBoxTable.Meta):
+        model = ASNRange
+        fields = (
+            'pk', 'name', 'slug', 'start', 'end', 'asn_count', 'tenant', 'tenant_group', 'description', 'tags',
+            'created', 'last_updated', 'actions',
+        )
+        default_columns = ('pk', 'name', 'start', 'end', 'tenant', 'asn_count', 'description')
+
+
+class ASNTable(TenancyColumnsMixin, NetBoxTable):
+    asn = tables.Column(
+        linkify=True
+    )
+    asn_asdot = tables.Column(
+        accessor=tables.A('asn_asdot'),
+        linkify=True,
+        verbose_name=_('ASDOT')
+    )
+    site_count = columns.LinkedCountColumn(
+        viewname='dcim:site_list',
+        url_params={'asn_id': 'pk'},
+        verbose_name=_('Site Count')
+    )
+    provider_count = columns.LinkedCountColumn(
+        viewname='circuits:provider_list',
+        url_params={'asn_id': 'pk'},
+        verbose_name=_('Provider Count')
+    )
+    sites = columns.ManyToManyColumn(
+        linkify_item=True
+    )
+    comments = columns.MarkdownColumn()
+    tags = columns.TagColumn(
+        url_name='ipam:asn_list'
+    )
+
+    class Meta(NetBoxTable.Meta):
+        model = ASN
+        fields = (
+            'pk', 'asn', 'asn_asdot', 'rir', 'site_count', 'provider_count', 'tenant', 'tenant_group', 'description',
+            'comments', 'sites', 'tags', 'created', 'last_updated', 'actions',
+        )
+        default_columns = ('pk', 'asn', 'rir', 'site_count', 'provider_count', 'sites', 'description', 'tenant')

netbox/ipam/tables/ip.py

@@ -8,7 +8,6 @@ from tenancy.tables import TenancyColumnsMixin, TenantColumn
 
 __all__ = (
     'AggregateTable',
-    'ASNTable',
     'AssignedIPAddressesTable',
     'IPAddressAssignTable',
     'IPAddressTable',
@@ -93,47 +92,6 @@ class RIRTable(NetBoxTable):
         default_columns = ('pk', 'name', 'is_private', 'aggregate_count', 'description')
 
 
-#
-# ASNs
-#
-
-class ASNTable(TenancyColumnsMixin, NetBoxTable):
-    asn = tables.Column(
-        linkify=True
-    )
-    asn_asdot = tables.Column(
-        accessor=tables.A('asn_asdot'),
-        linkify=True,
-        verbose_name='ASDOT'
-    )
-    site_count = columns.LinkedCountColumn(
-        viewname='dcim:site_list',
-        url_params={'asn_id': 'pk'},
-        verbose_name='Site Count'
-    )
-    provider_count = columns.LinkedCountColumn(
-        viewname='circuits:provider_list',
-        url_params={'asn_id': 'pk'},
-        verbose_name='Provider Count'
-    )
-    sites = columns.ManyToManyColumn(
-        linkify_item=True,
-        verbose_name='Sites'
-    )
-    comments = columns.MarkdownColumn()
-    tags = columns.TagColumn(
-        url_name='ipam:asn_list'
-    )
-
-    class Meta(NetBoxTable.Meta):
-        model = ASN
-        fields = (
-            'pk', 'asn', 'asn_asdot', 'rir', 'site_count', 'provider_count', 'tenant', 'tenant_group', 'description',
-            'comments', 'sites', 'tags', 'created', 'last_updated', 'actions',
-        )
-        default_columns = ('pk', 'asn', 'rir', 'site_count', 'provider_count', 'sites', 'description', 'tenant')
-
-
 #
 # Aggregates
 #

netbox/ipam/urls.py

@@ -6,6 +6,14 @@ from . import views
 app_name = 'ipam'
 urlpatterns = [
 
+    # ASN ranges
+    path('asn-ranges/', views.ASNRangeListView.as_view(), name='asnrange_list'),
+    path('asn-ranges/add/', views.ASNRangeEditView.as_view(), name='asnrange_add'),
+    path('asn-ranges/import/', views.ASNRangeBulkImportView.as_view(), name='asnrange_import'),
+    path('asn-ranges/edit/', views.ASNRangeBulkEditView.as_view(), name='asnrange_bulk_edit'),
+    path('asn-ranges/delete/', views.ASNRangeBulkDeleteView.as_view(), name='asnrange_bulk_delete'),
+    path('asn-ranges/<int:pk>/', include(get_model_urls('ipam', 'asnrange'))),
+
     # ASNs
     path('asns/', views.ASNListView.as_view(), name='asn_list'),
     path('asns/add/', views.ASNEditView.as_view(), name='asn_add'),

netbox/ipam/views.py

@@ -7,16 +7,15 @@ from django.utils.translation import gettext as _
 
 from circuits.models import Provider
 from dcim.filtersets import InterfaceFilterSet
-from dcim.models import Interface, Site, Device
+from dcim.models import Interface, Site
 from netbox.views import generic
 from utilities.utils import count_related
 from utilities.views import ViewTab, register_model_view
 from virtualization.filtersets import VMInterfaceFilterSet
-from virtualization.models import VMInterface, VirtualMachine
+from virtualization.models import VMInterface
 from . import filtersets, forms, tables
 from .constants import *
 from .models import *
-from .models import ASN
 from .tables.l2vpn import L2VPNTable, L2VPNTerminationTable
 from .utils import add_requested_prefixes, add_available_ipaddresses, add_available_vlans
 
@@ -195,6 +194,67 @@ class RIRBulkDeleteView(generic.BulkDeleteView):
     table = tables.RIRTable
 
 
+#
+# ASN ranges
+#
+
+class ASNRangeListView(generic.ObjectListView):
+    queryset = ASNRange.objects.annotate(
+        asn_count=count_related(ASN, 'range'),
+    )
+    filterset = filtersets.ASNRangeFilterSet
+    filterset_form = forms.ASNRangeFilterForm
+    table = tables.ASNRangeTable
+
+
+@register_model_view(ASNRange)
+class ASNRangeView(generic.ObjectView):
+    queryset = ASNRange.objects.all()
+
+    def get_extra_context(self, request, instance):
+        related_models = (
+            (ASN.objects.restrict(request.user, 'view').filter(range=instance), 'asn_id'),
+        )
+
+        return {
+            'related_models': related_models,
+        }
+
+
+@register_model_view(ASNRange, 'edit')
+class ASNRangeEditView(generic.ObjectEditView):
+    queryset = ASNRange.objects.all()
+    form = forms.ASNRangeForm
+
+
+@register_model_view(ASNRange, 'delete')
+class ASNRangeDeleteView(generic.ObjectDeleteView):
+    queryset = ASNRange.objects.all()
+
+
+class ASNRangeBulkImportView(generic.BulkImportView):
+    queryset = ASNRange.objects.all()
+    model_form = forms.ASNRangeImportForm
+    table = tables.ASNRangeTable
+
+
+class ASNRangeBulkEditView(generic.BulkEditView):
+    queryset = ASNRange.objects.annotate(
+        site_count=count_related(Site, 'asns')
+    )
+    filterset = filtersets.ASNRangeFilterSet
+    table = tables.ASNRangeTable
+    form = forms.ASNRangeBulkEditForm
+
+
+class ASNRangeBulkDeleteView(generic.BulkDeleteView):
+    queryset = ASNRange.objects.annotate(
+        site_count=count_related(Site, 'asns')
+    )
+    filterset = filtersets.ASNRangeFilterSet
+    table = tables.ASNRangeTable
+
+
 #
 # ASNs
 #

netbox/netbox/navigation/menu.py

@@ -158,6 +158,7 @@ IPAM_MENU = Menu(
         MenuGroup(
             label=_('ASNs'),
             items=(
+                get_model_item('ipam', 'asnrange', _('ASN Ranges')),
                 get_model_item('ipam', 'asn', _('ASNs')),
             ),
         ),

netbox/templates/ipam/asnrange.html

@@ -0,0 +1,52 @@
+{% extends 'generic/object.html' %}
+{% load buttons %}
+{% load helpers %}
+{% load plugins %}
+{% load render_table from django_tables2 %}
+
+{% block content %}
+  <div class="row">
+    <div class="col col-md-6">
+      <div class="card">
+        <h5 class="card-header">ASN Range</h5>
+        <div class="card-body">
+          <table class="table table-hover attr-table">
+            <tr>
+              <td>Name</td>
+              <td>{{ object.name }}</td>
+            </tr>
+            <tr>
+              <td>Range</td>
+              <td>{{ object.range_as_string }}</td>
+            </tr>
+            <tr>
+              <td>Tenant</td>
+              <td>
+                {% if object.tenant.group %}
+                  {{ object.tenant.group|linkify }} /
+                {% endif %}
+                {{ object.tenant|linkify|placeholder }}
+              </td>
+            </tr>
+            <tr>
+              <td>Description</td>
+              <td>{{ object.description|placeholder }}</td>
+            </tr>
+          </table>
+        </div>
+      </div>
+      {% plugin_left_page object %}
+      {% include 'inc/panels/tags.html' %}
+    </div>
+    <div class="col col-md-6">
+      {% include 'inc/panels/related_objects.html' %}
+      {% include 'inc/panels/custom_fields.html' %}
+      {% plugin_right_page object %}
+    </div>
+  </div>
+  <div class="row">
+    <div class="col col-md-12">
+      {% plugin_full_width_page object %}
+    </div>
+  </div>
+{% endblock content %}