Приколы для даунов :: сети :: wi-fi :: Ip :: IP-адрес :: разное

The address schema 172.16.42.x is not a common default for a normal router. It is the default for a device called a "WiFi Pineapple", which is a hacking tool primarily intended for "pentesting", i.e. finding exploitable vulnerabilities in a computing or networking system. So someone is doing something nasty with so called hotel wifi.