Question

I think OVH is blocking all of Digital Ocean's IP addresses

I’ve tried with 3 different droplets, each in a different location, to reach OVH’s servers (for sending mails, I use them as an SMTP provider) and every time, the connection just seems to be blocked.

I can’t even ping anything from OVH (not only their SMTP service).

I have been trying from :

  • AMS2
  • FRA1
  • LON1

I can not find anything online documenting this issue. Does anyone know is there’s a way to around this issue ?

It has huge consequences because OVH is a pretty big hosting provider in EU and so is Digital Ocean. It means you can’t have any service at Digital Ocean communicating with any service at OVH. Both parties must be aware of that. Why isn’t it documented anywhere ?

Thanks

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Yup, you’ll need to contact digitalocean. they seem to filter some packet but cannot confirm.

I can ping 37.139.3.23 and 37.139.0.23 (random ips) and they both working from OVH (EU/CA).

Sorry not being helpful.

Hrmm at least with your gateway, it seem to work.

1.|-- 192.99.19.252 0.0% 10 180.3 179.0 146.1 245.1 33.2 2.|-- po111.bhs-g1-a75.qc.ca 0.0% 10 0.2 0.2 0.2 0.2 0.0 3.|-- 10.95.81.8 0.0% 10 2.4 2.4 2.3 2.5 0.1 4.|-- be100-1319.nwk-1-a9.nj.us 0.0% 10 9.0 9.1 8.9 9.3 0.1 5.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0 6.|-- nyk-bb4-link.telia.net 0.0% 10 9.0 9.3 9.0 9.5 0.1 7.|-- ldn-bb2-link.telia.net 10.0% 10 78.5 100.6 78.5 173.2 36.9 8.|-- adm-bb4-link.telia.net 0.0% 10 82.9 83.9 82.9 86.3 1.1 | `|-- 62.115.134.26 | |-- 213.155.136.83 | |-- 62.115.136.194 | |-- 213.155.136.93 | |-- 213.155.136.79 | |-- 62.115.142.221 | |-- 213.155.136.91 9.|-- adm-b2-link.telia.net 0.0% 10 84.6 85.5 84.6 87.4 0.9 10.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0 11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0 12.|-- 37.139.0.254 10.0% 10 88.8 88.1 86.0 90.9 1.8

Without telling me the source, are you part of 37.139.0.0/19 ? (at least can you give me the subnet?)

What IP address you trying ? (src and dst)

can you try proof.ovh.ca if you’re able to ping it ?

can you send a traceroute from the source to destination (and proof.ovh.ca) ?

Thanks

Please open a ticket with our support team so we can investigate this. It is the first I have heard about any routing issue between OVH and DO.