When I worked at another carrier I helped stop this as well with the sales people. They were creative, but it does at least violate the social norms of the industry at minimum and that was enough for me. 

I've been sad to see all the valuable contact methods disappear as the industry has grown over the past 25 years 



On Tue, Jan 7, 2020 at 4:46 PM Martin Hannigan <hannigan@gmail.com> wrote:

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

On 7 Jan 2020, at 5:01 AM, Martijn Schmidt via NANOG <nanog@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<

Seems entirely reasonable to me. You break the rules, you lose the privilege. Works the same way with my 7 year old.