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Tracing route to 202.60.73.55 over a maximum of 30 hops
1 <1 ms <1 ms <1 ms 192.168.1.1
2 33 ms 31 ms 31 ms wn-cisco-r5-lo-5.connections.net.nz [202.49.152.169]
3 35 ms 33 ms 30 ms wn-sum-1-wnlan7.connections.net.nz [202.49.152.161]
4 * * * Request timed out.
5 172 ms 38 ms 33 ms fxnet-int-pri.connections.net.nz [202.154.157.134]
6 38 ms 41 ms 43 ms GigabitEthernet0-0-357.fxak1-rt2.fx.net.nz [202.53.187.10]
7 38 ms 42 ms 42 ms GigabitEthernet0-2-210.fxak1-rt1.fx.net.nz [202.53.187.13]
8 * * * Request timed out.
9 71 ms 67 ms 68 ms ausydn2102er1-9-0.au.ip.att.net [165.87.69.198]
10 134 ms 71 ms 68 ms vlan960.52gdc76f02.optus.net.au [59.154.20.1]
11 83 ms 82 ms 81 ms 61.88.240.111
12 92 ms 91 ms 89 ms Business-Networks.14vrc76f06.optus.net.au [61.88.151.146]
13 108 ms 82 ms 85 ms vl3806.gi0.ar1.ade102.uecomm.net.au [203.94.191.149]
14 84 ms 123 ms 85 ms 203.94.189.114
15 88 ms 87 ms 87 ms 202.60.73.55
Eh... I don't know what happens over there, and I am not experienced with Australian ISP's, but it seems you are going through multiple providers... I don't know if that is bad routing, or generally how the networks are built.