diff --git a/lookup_plugins/re2oapi.py b/lookup_plugins/re2oapi.py
index 2a8b4819..baf2f416 100644
--- a/lookup_plugins/re2oapi.py
+++ b/lookup_plugins/re2oapi.py
@@ -524,6 +524,26 @@ class LookupModule(LookupBase):
                 except IndexError:
                     display.v("Error in re2oapi : No role_name provided")
                     raise AnsibleError("role_name not found in arguments.")
+            elif term == 'prefixv6':
+                prefixes = []
+                while dterms:
+                    subnet_name = dterms.popleft()
+                    prefixes.append(self._get_prefix(api_client, subnet_name))
+                if prefixes:
+                    res.extend(prefixes)
+                else:
+                    display.v("Error in re2oapi : No subnet_name provided")
+                    raise AnsibleError("subnet_name not found in arguments.")
+            elif term == 'cidrs':
+                cidrs = []
+                while dterms:
+                    subnet_name = dterms.popleft()
+                    cidrs.append(self._get_cidrs(api_client, subnet_name))
+                if cidrs:
+                    res.extend(cidrs)
+                else:
+                    display.v("Error in re2oapi : No subnet_name provided")
+                    raise AnsibleError("subnet_name not found in arguments.")
             else:
                 try:
                     res.append(self._rawquery(api_client, term))
@@ -688,3 +708,31 @@ class LookupModule(LookupBase):
 
         display.vvv('\n')
         return res
+
+    def _get_prefix(self, api_client, subnet_name):
+        prefixv6 = None
+        if self._is_cached(subnet_name):
+            display.vvv("Found subnet {} in cache.".format(subnet_name))
+            prefixv6 = self._get_cache(subnet_name)
+        else:
+            Mtypes = self._rawquery(api_client, 'machines/iptype')
+            iptype = list(filter(lambda x: x['type'] == subnet_name, Mtypes))
+            prefixv6 = iptype[0]['prefix_v6'] + '/64'
+            display.vvv("Storing subnet {} in cache".format(subnet_name))
+            self._set_cache(subnet_name, prefixv6)
+        return prefixv6
+
+    def _get_cidrs(self, api_client, subnet_name):
+        cidrs = None
+        if self._is_cached(subnet_name):
+            display.vvv("Found subnet {} in cache.".format(subnet_name))
+            cidrs = self._get_cache(subnet_name)
+        else:
+            Mtypes = self._rawquery(api_client, 'machines/iptype')
+            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])
+            display.vvv("Storing subnet {} in cache".format(subnet_name))
+            self._set_cache(subnet_name, cidrs)
+        return cidrs