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 <j...@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 > > > >
