diff --git a/netbox/ipam/fields.py b/netbox/ipam/fields.py
index a829763269..c6aec47287 100644
--- a/netbox/ipam/fields.py
+++ b/netbox/ipam/fields.py
@@ -14,7 +14,7 @@
 )
 
 # BGP ASN bounds
-BGP_ASN_MIN = 1
+BGP_ASN_MIN = 0
 BGP_ASN_MAX = 2**32 - 1