Re: Captchas on Cloudflare-Proxied Sites

[Dan Lowe via NANOG <nanog () lists nanog org>]

On Mon, Jul 7, 2025, at 9:50 PM, Brandon Martin via NANOG wrote:
> A perhaps interesting question would be how the entities involved in 
> this crawling activity have come to control so much IP space.  It 
> doesn't seem like a use-case that readily justifies it.

There were too many addresses to research all of them, but taking several dozen and looking at whois, I found they 
belonged to all sorts of different kinds of organization, in many different countries on multiple continents. IMO the 
reasonable conclusion is they're hiring botnets.

Dan
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