While unfortunately it doesn’t seem like this site covers Australia and New Zealand, US / UK based online streaming service Viewster have recently announced their addition of 18 Funimation anime titles to their collection, including Ouran High School Host Club, Strike Witches and El Cazador de la Bruja.
All of these streamings are official and completely free. You can check these titles out, and their other live action offerings via the Viewster website.