Came across this today and I thought it seemed strange: traceroutes showing international traffic being routed via what looks like part of Facebook's network in Sydney. 🤔

traceroute to www.google.co.nz (172.217.25.163), 30 hops max, 60 byte packets

 

1 router
2 * * *
3 peer-as9790.pr02.syd2.tfbnw.net (157.240.65.45) 33.129 ms 33.831 ms 34.137 ms
4 72.14.243.236 (72.14.243.236) 33.581 ms 35.087 ms 35.085 ms
5 108.170.247.33 (108.170.247.33) 36.478 ms 36.891 ms 37.221 ms
6 108.170.235.195 (108.170.235.195) 36.307 ms 32.913 ms 108.170.235.193 (108.170.235.193) 32.824 ms
7 syd09s13-in-f3.1e100.net (172.217.25.163) 32.487 ms 33.121 ms 32.556 ms

traceroute to www.youtube.com (172.217.25.46), 30 hops max, 60 byte packets

 

1 router
2 * * *
3 peer-as9790.pr02.syd2.tfbnw.net (157.240.65.45) 33.481 ms 33.563 ms 35.167 ms
4 72.14.243.236 (72.14.243.236) 34.453 ms 34.327 ms 34.847 ms
5 108.170.247.49 (108.170.247.49) 37.641 ms 108.170.247.81 (108.170.247.81) 34.831 ms 108.170.247.49 (108.170.247.49) 37.605 ms
6 108.170.233.195 (108.170.233.195) 37.221 ms 108.170.233.193 (108.170.233.193) 32.136 ms 32.898 ms
7 syd15s02-in-f14.1e100.net (172.217.25.46) 31.996 ms 32.653 ms 33.047 ms

traceroute to www.ovh.com (198.27.92.1), 30 hops max, 60 byte packets

 

1 router
2 * * *
3 peer-as9790.pr02.syd2.tfbnw.net (157.240.65.45) 33.347 ms 33.712 ms 33.807 ms
4 * * *
5 be100-1069.lax-la1-bb1-a9.ca.us (198.27.73.168) 159.842 ms 159.881 ms 160.215 ms
6 be100-1366.ash-1-a9.va.us (178.32.135.156) 214.294 ms ash-5-a9.va.us (178.32.135.161) 211.353 ms be100-1366.ash-1-a9.va.us (178.32.135.156) 211.566 ms
7 be100.bhs-g2-nc5.qc.ca (142.44.208.69) 225.240 ms be100-1007.nwk-5-a9.nj.us (198.27.73.218) 216.584 ms be100.bhs-g2-nc5.qc.ca (142.44.208.69) 224.594 ms
8 be100-1319.bhs-g1-nc5.qc.ca (198.27.73.204) 225.068 ms * be100-1323.bhs-g2-nc5.qc.ca (192.99.146.138) 225.878 ms
9 * be7.bhs-iplb1-a70.qc.ca (178.32.135.81) 225.396 ms *
10 be7.bhs-iplb2-a70.qc.ca (178.32.135.133) 225.431 ms * 223.792 ms
11 * * *
...
30 * * *

traceroute to internode.on.net (192.231.203.31), 30 hops max, 60 byte packets

 

1 router
2 * * *
3 peer-as9790.pr02.syd2.tfbnw.net (157.240.65.45) 33.400 ms 33.636 ms 33.992 ms
4 4739.syd.equinix.com (45.127.172.20) 34.932 ms 34.923 ms 34.894 ms
5 * * *
6 * * *
7 * * *
8 te7-2.cor1.adl6.on.ii.net (150.101.225.230) 55.880 ms 55.142 ms te3-4.cor1.adl6.on.ii.net (150.101.225.222) 54.094 ms
9 * * *
...
30 * * *

traceroute to www.dropbox.com (162.125.83.1), 30 hops max, 60 byte packets

 

1 router
2 * * *
3 peer-as9790.pr02.syd2.tfbnw.net (157.240.65.45) 33.375 ms 33.926 ms 33.925 ms
4 * * *
5 po1-syd2-ea01.net.dropbox.com (162.125.86.189) 35.232 ms 35.253 ms 36.507 ms
6 162.125.83.1 (162.125.83.1) 35.855 ms 31.830 ms 32.083 ms