Re: Cogent Abuse - Bogus Propagation of ASN 36471

[Martin Hannigan <hannigan () gmail com>]

Pete, if all the data I see ties together like it looks aren't you able to
take the 15m taxi ride to 60 Hudson and recover the router or shut it off?
It's your router. Right?


On Thu, Jul 20, 2023 at 11:10 AM Pete Rohrman <prohrman () stage2networks com>
wrote:

> Ben,
>
> Compromised as in a nefarious entity went into the router and changed
> passwords and did whatever.  Everything advertised by that comprised router
> is bogus.  The compromised router is owned by OrgID: S2NL (now defunct).
> AS 36471 belongs to KDSS-23
> <https://search.arin.net/rdap?query=KDSS-23&searchFilter=entity>.  The
> compromised router does not belong to Kratos KDSS-23
> <https://search.arin.net/rdap?query=KDSS-23&searchFilter=entity>, and is
> causing routing problems.  The compromised router needs to be shut down.
> The owner of the compromised router ceased business, and there isn't anyone
> around to address this at S2NL.  The only people that can resolve this is
> Cogent.   Cogent's defunct customer's router was compromised, and is
> spewing out bogus advertisements.
>
> Pete
>
> --
> Pete
> Stage2 "Survivor Island" Bronze Medal Winner
>
>
>
> On 7/20/23 10:40, Ben Cox wrote:
>
> Can you confirm what you mean by compromised here?
>
> The prefixes currently (as far as I can see from bgp.tools) originated are:
>
> Prefix                   Description209.255.244.0/24 Windstream Communications LLC209.255.245.0/24 CONSOLIDATED 
> TECHNOLOGIES INC 325 HUDSON209.255.246.0/24 Windstream Communications LLC209.255.247.0/24 CONSOLIDATED TECHNOLOGIES 
> INC 325 HUDSON216.197.80.0/20 --
>
> The 209.xx have valid RPKI certs, so they seem validish, but all have
> RADB IRR entries made by lightower.com in 2015.
>
> Do you mean that someone has impersonated AS36471 and set up a cogent
> port, and is now announcing your space? I'm confused
>
> On Thu, Jul 20, 2023 at 3:32 PM Pete Rohrman<prohrman () stage2networks com> <prohrman () stage2networks com> wrote:
>
> NANOG,
>
> A customer of Cogent has a compromised router that is announcing
> prefixes sourced from AS 36471.   Cogent is propagating that to the
> world.  Problem is, those prefixes and AS don't belong to that customer
> of Cogent - AS 36471 belongs to Kratos Defense & Security Solutions,
> Inc. (see whois).
>
> Requests to Cogent Support and Abuse go un-actioned.  Need a contact at
> Cogent Abuse that can shut down that compromised router.  Anyone have a
> good contact at Cogent Abuse Dept?
>
> Cogent ticket: HD302928500
>
> Pete
>
> --
> Pete
> Stage2 "Survivor Island" Bronze Medal Winner