diff --git a/utils/schema-check/dn42_schema_local.py b/utils/schema-check/dn42_schema_local.py
index db7ab383f..6db775dc3 100755
--- a/utils/schema-check/dn42_schema_local.py
+++ b/utils/schema-check/dn42_schema_local.py
@@ -557,7 +557,7 @@ def _get_parent_inetnums(inetnum:str, fields:list=[], family:str=None) -> list[l
         
         netlevel += 2
         out=[blk0_6,blk0_4]
-        for i in range(1,subnet_len): #ipv4 subnet length
+        for i in range(1,subnet_len + 1): #ipv4 subnet length
             blk_inet = pretty_ip(inetrange(f'{inetnum.split("/")[0]}/{i}')[0])+f"_{str(i)}"
             blk_content = _get_file_content_upstream(filename=f"data/inetnum/{blk_inet}")
             if blk_content == [""]:
@@ -585,7 +585,7 @@ def _get_parent_inetnums(inetnum:str, fields:list=[], family:str=None) -> list[l
         
         netlevel += 1
         out=[blk0]
-        for i in range(1,subnet_len): #ipv6 subnet length (max=64)
+        for i in range(1,subnet_len + 1): #ipv6 subnet length (max=64)
             blk_inet = _unexpand_ipv6(pretty_ip(inet6range(f'{_unexpand_ipv6(inetnum.split("/")[0])}/{i}')[0]))+f"_{str(i)}"
             blk_content = _get_file_content_upstream(filename=f"data/inet6num/{blk_inet}")
             if blk_content == [""]: