Same issue.
Here is my tracert
C:\Users\nzstu>tracert oldschool89.runescape.com
Tracing route to l3ausy5-bond0-2.jagex.com [113.29.20.118]
over a maximum of 30 hops:
1 2 ms 1 ms 1 ms vodafonemobile.cpe [192.168.1.1]
2 45 ms 41 ms 36 ms 124-6-214-49.vodafone.net.nz [124.6.214.49]
3 61 ms 88 ms 49 ms UNASSIGNED.core.vf.net.nz [203.109.188.57]
4 52 ms 85 ms 53 ms UNASSIGNED.core.vf.net.nz [203.109.188.58]
5 66 ms 78 ms 58 ms UNASSIGNED.core.vf.net.nz [203.109.188.61]
6 93 ms 79 ms 78 ms as9500.nsw.ix.asn.au [218.100.52.103]
7 231 ms 240 ms 225 ms 218.100.53.9
8 278 ms 317 ms 298 ms 4.68.72.170
9 293 ms 296 ms 298 ms jagex-ltd.ge-2-0-5.ar1.syd1.gblx.net [64.215.248.238]
10 270 ms 320 ms 296 ms oldschool89.runescape.com [113.29.20.118]