AS37468 (Angola Cables) - Route Leak?

Thu May 25 12:34:00 UTC 2023

I've reached out to some known folk at Angola Cables. Will let you know 
if I hear back.

Mark.

On 5/25/23 14:01, Phil Lavin via NANOG wrote:
> Cross-posting from outages list:
>
> 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  <http://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  <http://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  <http://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  <http://core6.par.hetzner.com>          75.0%    17  455.6 464.1 455.6 486.3  14.8
> 17.core11.nbg1.hetzner.com  <http://core11.nbg1.hetzner.com>        75.0%    17  459.5 467.5 445.9 497.3  21.8
> 18.core23.fsn1.hetzner.com  <http://core23.fsn1.hetzner.com>        68.8%    17  478.4 441.0 390.0 478.4  32.0
> 19.ex9k1.dc1.fsn1.hetzner.com  <http://ex9k1.dc1.fsn1.hetzner.com>     87.5%    17  460.4 454.2 448.1 460.4   8.7
> 20.vmh02.lavin.me.uk  <http://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  <http://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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