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Topic # 245530 8-Feb-2019 23:11
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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

 

 

 

 

 

 

 

 

 





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Mr Snotty
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  Reply # 2175334 8-Feb-2019 23:22
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Oh, hell no.

 

Confirmed 2degrees isn't affected but I'd much rather Facebook not snooping into all the traffic I send over the internet...





'That VDSL Cat'
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  Reply # 2175343 9-Feb-2019 00:27
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i'd question if it's not just responding out the wrong interface.

 

The rest of those hops look very vocus/m2 like.

 

 

 

@sounddude likely can confirm though.





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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


 
 
 
 


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  Reply # 2175346 9-Feb-2019 01:20
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should be ok they just peering

 

https://bgp.he.net/AS32934#_peers


I fix stuff!
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  Reply # 2175367 9-Feb-2019 09:50
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Hi Guys

 

Def not routing your google traffic to Facebook.

 

 

 

The Facebook IP showing up in the traceroute is actually our router. Unsure why that IP is showing up in the traceroute. I suspect the router is replying with to the ICMP from the wrong IP.

 

 

 

The routing is correct though and goes over our direct PNI's with Google

 

 

 

Thanks for reporting it, and I will raise a case with our router Vendor to figure out whats up, but at this stage its purely cosmetic (Infact only shows up in traceroutes from Linux).

 

 


Mr Snotty
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  Reply # 2175416 9-Feb-2019 12:00
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@Sounddude Cheers! Had me worried there for a moment Facebook was going to start tracking people by redirecting traffic via them ;)





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