The short version · saves you 5 min
Most teams pay for residential proxies when datacenter would do. Here is how to tell the difference before you spend.
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The choice between residential and datacenter proxies comes down to one thing: how hard your target works to detect proxies.
How each is detected (link to this section)
Datacenter IP ranges are published. Anyone can look up which addresses belong to hosting providers, and defensive services do exactly that. Residential IPs belong to ISP subscriber pools, so blocking them risks blocking genuine customers — which is precisely why they survive.
The cost gap is enormous (link to this section)
Datacenter proxies commonly cost cents per gigabyte or a flat rate per IP. Residential is typically billed by bandwidth at several dollars per gigabyte. The gap is often 10x or more, which is why starting with datacenter and escalating only when blocked is nearly always the right sequence.
A practical decision rule (link to this section)
Try datacenter first. If your success rate holds above roughly 95%, you are done — stop there. If it collapses, move that specific target to residential and keep everything else on datacenter. Splitting traffic by target rather than buying one tier for everything is where most of the savings live.
Where ISP proxies fit (link to this section)
If you need residential legitimacy but also need a stable IP for a long session, ISP proxies sit between the two. They cost more than datacenter and less than rotating residential, and they do not rotate on their own.
Frequently asked
Yes, and you generally should. Route each target to the cheapest tier that sustains an acceptable success rate.
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Published July 18, 2026 · Last reviewed July 30, 2026