[gruez]

>having hundreds of calls and texts onramping from the same IP would be a rather large red flag.

Use VPNs? Surely paying for some subscriptions at $3/month is cheaper than renting an apartment in manhattan?

[ale42]

You'd probably need thousands of residential IP addresses to pass under the radar with so many SIM cards.

[preisschild]

There are bot nets that specifically offer such services

[privatelypublic]

This IS the botnet that offers the service.

[asah]

...and perfectly legal services too, e.g. joinmassive.com, brightdata, etc. (they're used for gathering listing data from e-commerce sites, job boards, etc.)

disclosure: I'm an investor/advisor in massive.

[privatelypublic]

Somehow, if you have to use residential proxies, its going to he a TOS break.