I don't have documentation but I can tell you that we leased hosting space and a class C to someone who said they would be hosting SSL (thus the need for so many IP's) but ended up spamming. Most of the spam lists blacklisted the entire ARIN provisioned block which in our case was a /19. It was a mess. Took months to completely fix, and pissed off a ton of customers that couldn't send mail.
I would think mail would be the main issue, maybe the only. On Wed, Nov 15, 2017 at 9:55 AM Steve Jones <[email protected]> wrote: > A provider associate of mine is having issues trying to convince the suits > that teir IP space reputation matters. The suits believe what the customers > do on their space isnt to be concerned about > > Im looking for documented case examples of how this is really not the > case. ASN blacklisting in particular with CDNs. Ive pulled a couple from > NANOG archives, but threaded mail doesnt relate well. > > Any detailed cases documented would be grand. Primarily looking for detail > on the hoop jumps required to repair tarnished space >
