[outages] AS37468 (Angola Cables) - Route Leak?

[Phil Lavin]

Hey Folks,

Seeing massive packet loss on routes from AWS to Hetzner today. First was AWS USW2 -> Hetzner (e.g. 88.99.88.69).

Traffic was transiting via AS37468 (Angola Cables) in Coresite IX.

Now got loss from AWS apse1/apse2. Traffic transiting via AS37468 on Equinix IX.

I e-mailed Hetzner NOC but they don’t seem entirely bothered, currently.

                           My traceroute  [v0.94]
jcasc-rtc01 (10.36.21.252) -> phil.lavin.me.uk      2023-05-25T11:50:13+0000
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                    Packets               Pings
 Host                             Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. ip-10-36-17-199.ap-southeast-  0.0%    18    0.1   0.6   0.1   7.7   1.8
 2. ec2-18-141-171-15.ap-southeas  0.0%    18    4.3  17.5   0.9  95.7  24.0
    ec2-18-141-171-1.ap-southeast-1.compute.amazonaws.com
 3. (waiting for reply)
 4. (waiting for reply)
 5. (waiting for reply)
 6. (waiting for reply)
 7. (waiting for reply)
 8. 100.65.10.161                  0.0%    17    0.6   1.4   0.3   9.6   2.4
    100.65.11.65
 9. 150.222.108.75                 0.0%    17    2.1   3.0   1.0  13.1   3.3
    52.93.10.74
10. 150.222.108.82                 0.0%    17    2.2   2.4   1.3  10.2   2.1
11. 52.93.11.115                   0.0%    17    5.8   2.4   1.2   9.7   2.5
    52.93.10.185
12. 37468-sg1-ix.equinix.com      68.8%    17  268.6 279.0 262.4 312.8  19.8
13. 102.219.127.3                 93.8%    17  420.0 420.0 420.0 420.0   0.0
14. (waiting for reply)
15. 195.66.227.209                62.5%    17  467.9 456.9 440.3 488.2  18.5
16. core6.par.hetzner.com         75.0%    17  455.6 464.1 455.6 486.3  14.8
17. core11.nbg1.hetzner.com       75.0%    17  459.5 467.5 445.9 497.3  21.8
18. core23.fsn1.hetzner.com       68.8%    17  478.4 441.0 390.0 478.4  32.0
19. ex9k1.dc1.fsn1.hetzner.com    87.5%    17  460.4 454.2 448.1 460.4   8.7
20. vmh02.lavin.me.uk             75.0%    17  433.3 424.2 382.7 441.9  27.9
21. (waiting for reply)
22. http-lb-01.lavin.me.uk        75.0%    17  436.8 438.6 385.0 493.3  44.2

I’ve been out of the BGP game for a few years now. Anybody have visibility of the extent of the leaks?


Phil
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