For heavy scraping and multithreaded jobs, addresses from open lists fail on the first requests. An IPv4 pool with rotation cuts captchas and lowers the risk of bans. So the scraper gets through the whole list, it makes sense to take private addresses with spare threads. Pool and plans: https://telegra.ph/Data-Scraping-10-28 Plans cover 1,000, 3,000 and 5,000 threads. You can also pay in crypto. For Proxy for Xrumer the addresses go straight to work.