[atlas] Empty from feild

Hi John, all

On Fri, Jun 6, 2014 at 5:23 PM, john <mail at johnbond.org> wrote:
> Hello All,
>
> Quick question about the data format.  What would cause a measurement to
> have an empty from field but contain data?  An example would be probe_id
> 13663 from measurement 1672218[1].  A cursory glance seems to happens a
> lot more with V6

Seems like the API is missing the probe's v4 info (prefix and addr)
[1], even though it is not a v6-only probe since it does indeed report
measurement results for msm 1672218.
If the backends where all this data is being pulled from do not have
that bit of information, it cannot be used in any API at all, other
than having its value set to null or an empty string.

I've seen this happening before but I don't have an explanation for
it. Hopefully, devs might be able to shed some light as to why some
probes cannot report their IP addresses.

> Thanks John
>
> [1]https://atlas.ripe.net/api/v1/measurement-latest/1672218/
>

Iñigo

[1] https://atlas.ripe.net/api/v1/probe/13663/?format=json

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