diff --git a/conf/requirements.pip b/conf/requirements.pip
index 7fb13f8135abd777a17799df361733c0922ba739..bce0fa717d62b99880e6113ae6eab4f2fb77d230 100644
--- a/conf/requirements.pip
+++ b/conf/requirements.pip
@@ -18,6 +18,6 @@ rrdtool==0.1.11
 pydgets==0.9
 pyzenkit==0.43
 pynspect==0.14
-ipranges==0.1.9
-typedcols==0.1.9
+ipranges==0.1.10
+typedcols==0.1.13
 idea-format==0.1.11
diff --git a/lib/mentat/datatype/internal.py b/lib/mentat/datatype/internal.py
index 834ebc5409b3a9fdf5f5b6d0e2e22a5de7b63b58..ed46c9dec6fd136dd11bd375aafac68bcdd41907 100644
--- a/lib/mentat/datatype/internal.py
+++ b/lib/mentat/datatype/internal.py
@@ -310,10 +310,10 @@ def t_network_record(val, source = None):
     record['id'] = val.get('id', gen_sid())
     record['network'] = str(record['nrobj'])
     if record['type'] == NR_TYPE_IPV4:
-        record['ip4_start'] = record['nrobj'].util.to_str(record['nrobj'].low())
-        record['ip4_end']   = record['nrobj'].util.to_str(record['nrobj'].high())
+        record['ip4_start'] = record['nrobj'].to_str(record['nrobj'].low())
+        record['ip4_end']   = record['nrobj'].to_str(record['nrobj'].high())
     else:
-        record['ip6_addr']   = record['nrobj'].util.to_str(record['nrobj'].base)
+        record['ip6_addr']   = record['nrobj'].to_str(record['nrobj'].base)
         record['ip6_prefix'] = record['nrobj'].cidr
 
     record['first'] = record['nrobj'].low()