diff --git a/lookup_plugins/re2oapi.py b/lookup_plugins/re2oapi.py
index 2d461d82..7202b30a 100644
--- a/lookup_plugins/re2oapi.py
+++ b/lookup_plugins/re2oapi.py
@@ -566,7 +566,7 @@ class LookupModule(LookupBase):
                 prefixes = []
                 while dterms:
                     subnet_name = dterms.popleft()
-                    prefixes.append(self._get_prefix(api_client, subnet_name))
+                    prefixes.append([self._get_prefix(api_client, subnet_name)])
                 if prefixes:
                     res.extend(prefixes)
                 else:
@@ -576,7 +576,7 @@ class LookupModule(LookupBase):
                 cidrs = []
                 while dterms:
                     subnet_name = dterms.popleft()
-                    cidrs.append(self._get_cidrs(api_client, subnet_name))
+                    cidrs.append([self._get_cidrs(api_client, subnet_name)])
                 if cidrs:
                     res.extend(cidrs)
                 else:
@@ -770,7 +770,7 @@ class LookupModule(LookupBase):
             iptype = list(filter(lambda x: x['type'] == subnet_name, Mtypes))[0]
             ips = iptype['domaine_ip_start']
             ipe = iptype['domaine_ip_stop']
-            cidrs = str(netaddr.iprange_to_cidrs(ips, ipe)[0])
+            cidrs = list(map(lambda a: str(a), netaddr.iprange_to_cidrs(ips, ipe)))
             display.vvv("Storing subnet {} in cache".format(subnet_name))
             self._set_cache(subnet_name, cidrs)
         return cidrs