[VoiceOps] Suspect NPANXX question

Tim Jackson jackson.tim at gmail.com
Tue Aug 4 14:44:35 EDT 2015


I only see 1 carrier with this route as of today in all of our decks.

Looking back through the past month or so of traffic, I can't find any
attempts to this prefix.. A quick google of it seems to show a lot of
scams calling from this prefix anyway.


On Tue, Aug 4, 2015 at 11:33 AM, Ryan Delgrosso <ryandelgrosso at gmail.com> wrote:
> All,
> We have seen a Caribbean NPANXX (1-268-762) advertised to us from a US tier
> 1 vendor. It has drawn a large amount of fraudulent traffic.
>
> We first saw this prefix pop up in this vendors rate decks in April. Going
> back to the start of the year I cannot find it in any revision of the LERG
> though, and no other vendor I have offers routes/pricing to this prefix.
>
> Does anybody know whats going on here?
>
> Shouldn't any zone 1 prefix exist in the LERG months prior to going live, or
> at the very least within some reasonable time after showing up for live
> traffic?
>
> Does this smell like highjacking to anyone else?
>
> All our vendor will tell is they are getting the route from another T1
> vendor, but in my 20+ connected peers I cannot find another occurrence.
>
>
> Any help or guidance is much appreciated. Feel free to reply on or off list.
>
> -Ryan
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