FYI - Suspension of Cogent access to ARIN Whois

Tue Jan 7 22:45:39 UTC 2020

On Tue, Jan 7, 2020 at 08:51 John Curran <jcurran at arin.net> wrote:

> On 7 Jan 2020, at 5:01 AM, Martijn Schmidt via NANOG <nanog at nanog.org>
> wrote:
> >
> > Out of curiosity, since we aren't affected by this ourselves, I know of
> cases where Cogent has sub-allocated IP space to its customers but which
> those customers originate from their own ASN and then announce to multiple
> upstream providers.
> >
> > So while the IP space is registered to Cogent and allocated to its
> customer, the AS-path might be something like ^174_456$ but it's entirely
> possible that ARIN would observe it as ^123_456$ instead. Are such IP
> address blocks affected by the suspension?
>
> As noted earlier, ARIN has suspended service for all Cogent-registered IP
> address blocks - this is being done as a discrete IP block access list
> applied to relevant ARIN Whois services, so the routing of the blocks are
> immaterial - a customer using a suballocation of Cogent space could be
> affected but customers with their own IP blocks blocks that are simply
> being routed by Cogent are not affected.

This is a disproportionate response IMHO. $0.02

YMMV,

-M<
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