Oxylabs sells rotating residential proxies and dedicated datacenter IPv4. It fits scrapers that want both origins in one account.
Datacenter proxies
Datacenter proxies exit from hosting networks. They are built for speed and volume on targets that do not reject server ranges.
A datacenter proxy is an IP announced by a hosting provider or a cloud network. Routing is short and throughput is high. That is why crawlers start here.
The same hosting flag is why protected sites refuse these ranges. If a target already blocks the subnet, switch to residential proxies. Run a sample through the proxy checker before you buy a large plan.

Proxy-Seller sells dedicated static datacenter IPv4 with unmetered traffic. It fits crawls and monitors on hosts that still allow hosting ranges.
Rayobyte sells dedicated datacenter IPv4, dedicated ISP IPv4, and rotating residential proxies. It fits teams that want three origins in US, UK, German, and Canadian exits.

Decodo, formerly Smartproxy, sells rotating residential proxies and datacenter IPv4. It fits teams that promote failing URLs from hosting IPs to household IPs.
Webshare sells static datacenter IPv4 and rotating residential proxies. It fits self-serve buyers who promote blocked URLs from hosting IPs to household IPs.
How to choose
Choose allocation first. A dedicated address is assigned to you for the term. A shared address is used by other customers at the same time. Dedicated IPs are easier to keep clean for repeated hits on one host. Shared IPs are cheaper and inherit whatever the last user did.
Plan for blocks. Open directories, public APIs, and your own origin usually accept datacenter traffic. Retail sites, search, and anything with a bot score often do not. Buy a small batch, crawl a representative URL set, and only then scale.
Pick IPv4 unless you already know the target speaks IPv6. Dual-stack listings still fail when the destination has no AAAA record. IPv6 can be a fit for networks that publish it. Do not assume a v6-only proxy will reach a v4-only site.
Match the product to the job. Datacenter IPs fit bulk crawling, uptime checks, and SEO monitors on tolerant hosts. They are a poor fit for account login and for anything that scores ASN reputation. Keep them in the mix as the cheap lane, not as the only lane.