The Socceroos have climbed back into the top 20 in the latest FIFA world rankings released on Wednesday.Australia moved up four spots to No.19 following their 1-0 win over Indonesia in Brisban, which clinched Asian Cup qualification.European champions Spain retained top spot, ahead of second-placed Brazil and third-placed Netherlands.Portugal improved their position to fourth, to sit ahead of Italy, Germany and England, who traded places with seventh-placed France.Australia remain clearly the highest-ranked Asian team, with Japan ranked 45th and South Korea 49th.Pim Verbeek’s side moved back into the top 20 for the first time since October last year, when they fell ten spots from their all-time highest ranking of 14th.New Zealand, who will contest their second World Cup finals in South Africa this year, moved up one spot to 79.AAP