Proxy Pool

A proxy pool is a managed collection of proxy IP addresses that a scraper or scraping platform draws from to spread requests. Pools can be thousands of datacenter IPs, millions of residential IPs, or curated subsets filtered by geography, ISP, or carrier. The pool's size, geographic diversity, and IP quality directly determine how aggressively you can scrape a target before hitting per-IP rate limits or trip wires. Pool management is the unglamorous engineering work behind every commercial scraping API. It includes health-checking IPs (drop ones that are blocked), rotation strategies (round-robin, weighted, sticky-session), geography controls (route requests through specific countries), and supply-chain monitoring (residential pools constantly add and lose IPs as user devices come online and offline). For AI builders, the question is whether to build or buy. Building a proxy pool from scratch — or even managing a single residential subscription — is several engineer-months of work and ongoing operational burden. Buying access to a curated pool through a scraping API is the dominant pattern: ScraperAPI, ZenRows, Scrapfly, Bright Data, and Oxylabs all sell pool access bundled with rotation, retry, and rendering. The premium is meaningful but predictable.