I have the same issue,   It seems every 2-3 months instead of routing via perth it swaps to sydney and we get 100-150ms more.   The same is true for servers in SEA, its not exclusive to Japan.   ... View more

Hi,   This issue appears to be back again with traffic to Japan routing via USA and is over 300ms (internode nbn customer).   Started again a few days ago, its not an issue with my internet connection, multiple friends on TPG group ISPs are experiencing it.   ... View more