In terms of price / quality ratio, the best option was chosen – Luminati . This service allows you to very flexibly configure proxies in different regions (countries), supports flexible billing.
Static IP addresses can be purchased for private use.
Tariffication of Luminati services (traffic, IP addresses): https://luminati.io/pricing/
|Configuring the SQUID of the proxy server||from 30$|
|Setting up zones in your Luminati account||from 10$|
|Configuring Luminati Proxy Manager Server||from 30$|