You're saying the solution is to have every website in existence find all these IPs and then request that their ISP block them? That sounds like a lot of work.

You're saying the solution is to have every website in existence find all these IPs and then request that their ISP block them? That sounds like a lot of work. Sure it's a good idea to allow requesting the blocks. But changing the reflection sources themselves so they can't be used for reflection anymore is also a good idea.