diff --git a/api_app/data_model_manager/migrations/0006_alter_ipdatamodel_asn_rank.py b/api_app/data_model_manager/migrations/0006_alter_ipdatamodel_asn_rank.py
new file mode 100644
index 0000000000..36d753f76d
--- /dev/null
+++ b/api_app/data_model_manager/migrations/0006_alter_ipdatamodel_asn_rank.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2.16 on 2024-12-17 10:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "data_model_manager",
+            "0005_alter_domaindatamodel_external_references_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="ipdatamodel",
+            name="asn_rank",
+            field=models.DecimalField(
+                blank=True, decimal_places=20, default=None, max_digits=21, null=True
+            ),
+        ),
+    ]
diff --git a/api_app/data_model_manager/models.py b/api_app/data_model_manager/models.py
index 67bfd51fff..4960c16459 100644
--- a/api_app/data_model_manager/models.py
+++ b/api_app/data_model_manager/models.py
@@ -148,7 +148,7 @@ class IPDataModel(BaseDataModel):
         null=True, blank=True, default=None
     )  # BGPRanking, MaxMind
     asn_rank = models.DecimalField(
-        null=True, blank=True, default=None, decimal_places=2, max_digits=3
+        null=True, blank=True, default=None, decimal_places=20, max_digits=21
     )  # BGPRanking
     certificates = models.JSONField(null=True, blank=True, default=None)  # CIRCL_PSSL
     org_name = LowercaseCharField(