If you manage many accounts and hit the same sites often, addresses from open lists fail on the first requests. An IPv4 pool with rotation cuts captchas and lowers the risk of bans. For tasks like these, users pick fast IPv4 and SOCKS5 proxies with spare threads. Details: proxy services for developers Plans cover 1,000, 3,000 and 5,000 threads. The list refreshes every 15 minutes and comes as a link. For Proxy for A-parser the pool runs from the first launch.