On 10/23/2016 21:02, David Conrad wrote:

Shut down subnets of your own customers?

That was the problem I broke my pick on 20 years or more ago. ISPs absolute refusal to put in filters at no-revenue-expense since it would cost money to install and maintain, and worst of all MIGHT conceivably block revenue-producing-abuse traffic. No matter that paying customers were not able to use the service they were paying for. -- "Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid." --Albert Einstein From Larry's Cox account.