I always used to get 140 ping, from New zealand. But now its like a 25% chance I get 140ping other wise I get 170-200ping.
140-200 is a pretty standard ping rate from that region. Most likely the changes are due to network infrastructure or ISP related variations.
© 2013 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.