diff --git a/sys/include/net/iana.h b/sys/include/net/iana/portrange.h
similarity index 94%
rename from sys/include/net/iana.h
rename to sys/include/net/iana/portrange.h
index 69e58496969fae560025b4f4d008f06371dd668c..2ea7acdc339020c3934e89e48ec696002ba0d5fe 100644
--- a/sys/include/net/iana.h
+++ b/sys/include/net/iana/portrange.h
@@ -7,7 +7,7 @@
  */
 
 /**
- * @defgroup    net_iana  IANA Port Numbers
+ * @defgroup    net_iana_portrange  IANA Port Ranges
  * @ingroup     net
  * @brief       Service Name and Transport Protocol Port Number Registry
  * @{