diff --git a/Commands.md b/Commands.md
index 912584b..7e3a166 100644
--- a/Commands.md
+++ b/Commands.md
@@ -65,6 +65,8 @@ These commands are only available if the Markers Component has been enabled (v0.
 Various other commands.
 
 * `/dynmap sendtoweb message ...` : Send a message to the web UIs only 
+* `/dynmap ids-by-ip ip-address` : List player IDs that have logged in from given IP address (most recent to least)
+* `/dynmap ips-by-id player-id` : List IP addresses that have been used to connect to server by given player ID
 
 # Permissions #
 
@@ -83,6 +85,8 @@ Permissions-based access control is currently supported, and the following nodes
 * `dynmap.resetstats` - allows /dynmap resetstats or /dynmap resetstats <world>
 * `dynmap.sendtoweb` - allows /dynmap sendtoweb
 * `dynmap.purgequeue` - allows /dynmap purgequeue
+* `dynmap.ids-by-ip` - allows /dynmap ids-by-ip
+* `dynmap.ips-by-id` - allows /dynmap ips-by-id
 * `dynmap.marker.add` - allows /dmarker add
 * `dynmap.marker.movehere` - allows /dmarker movehere
 * `dynmap.marker.update` - allows /dmarker update