Re: Neustar Geo Location Data

[Siyuan Miao <aveline () misaka io>]

Is this prefix leased from an IP broker?

If not, I would suggest not to use Neustar's data.

On Tue, Oct 6, 2020 at 9:38 PM John Von Essen <john () essenz com> wrote:

> Anyone here have experience with Neustar’s Geo Location database feed?
>
> And by experience, I mean, how reliable it is to reality?
>
> I ask because I’m in the early stages of a project, and my initial take is
> the data is terrible.
>
> I’ve stumbled across several (like a few hundred, and thats just in the
> US) /22’s and /23’s that SWIP in Arin to small regional ISPs in the US, but
> in the Neustar geo data these /22s get broken out in many continuous /28’s
> and /27’s that appear to hop across the world.
>
> One case was a small rural WISP in St Louis, their /22 in Neustar’s data
> is spread across Brazil, Asia, Europe, I mean its all over the place. But
> in BGP, that /22 appears safe and sound coming from St Louis and also
> confirmed via traceroute.
>
> If it were just a few ranges, I’d say no big deal, but I’m seeing massive
> issues with the data - curious as to other people’s thoughts.
>
> Thanks
> John