Added additional server commands, fixed a crash

core/src/io/anuke/mindustry/core/NetServer.java

@@ -73,6 +73,8 @@ public class NetServer extends Module{
                 return;
             }
 
+            Log.info("Recieved connect packet for player '{0}' / UUID {1} / IP {2}", packet.name, uuid, trace.ip);
+
             String ip = Net.getConnection(id).address;
 
             admins.updatePlayerJoined(uuid, ip, packet.name);

core/src/io/anuke/mindustry/net/Administration.java

@@ -184,6 +184,18 @@ public class Administration {
         return result;
     }
 
+    public Array<PlayerInfo> findByIPs(String ip){
+        Array<PlayerInfo> result = new Array<>();
+
+        for(PlayerInfo info : playerInfo.values()){
+            if(info.ips.contains(ip, false)){
+                result.add(info);
+            }
+        }
+
+        return result;
+    }
+
     public PlayerInfo getInfo(String id){
         return getCreateInfo(id);
     }