For software that opens dozens of threads at once, public addresses from open lists hit captchas and bans fastest. An IPv4 pool with rotation spreads requests across thousands of addresses. For multithreaded launches, people choose fast IPv4 and SOCKS5 proxies with spare threads. Pool and plans: https://telegra.ph/Data-Scraping-10-28 The pool keeps 12,000 to 15,000 addresses online. There is a free test of up to 2 hours before you pay. For unlimited proxies the pool runs from the first launch.