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Designing Crawler Egress: NAT Gateways, Proxy Pools and Per-Worker IPs

A crawler that runs clean on a laptop often collapses the moment it moves to the cloud, because all two hundred workers now leave from one address. This post walks the five egress topologies, shared NAT, per-worker public IPs, a self-run proxy tier, a commercial pool, and multi-region, with what the target sees, what each costs, and which job each one suits.

September 25, 2026 · 7 min read