diff --git a/src/ontology/ro-idranges.owl b/src/ontology/ro-idranges.owl
index e0d037d1..730b93d3 100644
--- a/src/ontology/ro-idranges.owl
+++ b/src/ontology/ro-idranges.owl
@@ -51,3 +51,7 @@ EquivalentTo: xsd:integer[> 9001 , <= 9500]
 Datatype: idrange:10
 Annotations: allocatedto: "Marie-Angélique Laporte"
 EquivalentTo: xsd:integer[> 9501 , <= 10000]
+
+Datatype: idrange:11
+Annotations: allocatedto: "msinclair2"
+EquivalentTo: xsd:integer[> 10001 , <= 10200]