ISP vs Residential vs Datacenter Proxies: Which One Do You Need?

Every proxy hides your own IP address behind another one. What separates the types is where that other IP comes from — and that origin decides how websites treat your traffic, how fast it moves and what it costs.

This guide walks through the four types you'll see on the market, then maps them to real workloads so you can pick with confidence.

How websites judge an IP address

Before a site looks at what you're requesting, it looks at who's asking. Anti-bot systems check the IP against public registries and reputation databases:

• Who owns the address block — a consumer ISP like Comcast or Frontier, a mobile carrier, or a hosting company such as a cloud provider.

• Its history — spam reports, abuse complaints and previous blocks follow an IP around.

• How it behaves right now — request rate, how many accounts it touches, and whether its location matches the rest of the session.

An address registered to a hosting company is an instant signal that traffic is automated. An address registered to a home broadband provider looks like an ordinary person. That single fact explains most of the differences below.

Datacenter proxies

Datacenter proxies are IPs owned by hosting providers and served from racks in data centers.

• Speed: the fastest and most consistent, with the lowest latency.

• Trust: the lowest. The owning company is public record, so many sites rate-limit or challenge these ranges by default.

• Cost: the cheapest per IP.

Best for: high-volume work against targets that don't fight automation — your own infrastructure, public APIs, uptime checks and lightly protected sites.

Residential proxies

Residential proxies route your traffic through real consumer connections: home broadband lines and devices on household networks. Most residential products rotate, giving you a different address per request or per session from a very large pool.

• Speed: variable, because every exit is a real household connection.

• Trust: very high. The IPs belong to consumer ISPs and blend in with normal visitors.

• Cost: usually billed per GB of traffic rather than per IP.

Best for: large-scale web scraping, price monitoring, ad verification and anything that needs many locations or a fresh identity per request. Rotating Residential Proxies also support sticky sessions when a task needs the same IP for a while.

ISP proxies (static residential)

ISP proxies combine the two worlds. The IPs are registered to real Internet Service Providers — so websites read them as home connections — but they are hosted on data-center hardware, so they're fast and always online.

• Speed: close to datacenter proxies.

• Trust: close to residential proxies.

• Stability: each IP is dedicated to you and stays the same for as long as you hold it.

• Cost: billed per IP per month, usually with unlimited bandwidth.

Best for: multi-account management, social media and e-commerce work, sneaker and ticket checkouts, and long-running sessions where an IP change mid-task would look suspicious. See ISP Proxies, or ISP Subnet Proxies if you need whole /24 blocks.

Mobile proxies

Mobile proxies exit through 4G/5G carrier networks. Carriers place thousands of real phones behind each public IP (a technique called CGNAT), so websites are extremely reluctant to block mobile addresses — they'd block real customers along with you.

• Trust: the highest of any proxy type.

• Speed: depends on the cellular network.

• Cost: the highest per GB.

Best for: mobile-first platforms, app testing and the hardest-to-reach targets. More in Mobile Proxies Explained, or see our 4G/5G mobile proxies.

Side-by-side comparison

Which proxy type should you choose?

1. You need the same identity for days or weeks (logins, carts, managed accounts): choose ISP proxies.

2. You need millions of requests from many locations (scraping, SERP tracking, price aggregation): choose rotating residential.

3. The target is mobile-first or blocks everything else: choose mobile proxies.

4. The target doesn't block automation and you want raw speed at low cost: a datacenter proxy will do.

Many teams combine two: rotating residential for discovery and collection, ISP proxies for the accounts and sessions that have to stay put. If you're unsure, the proxy trial is the cheapest way to test a type against your own target before committing, and the pricing page compares every plan side by side.

Frequently Asked Questions

Team CleanProxies

Proxy Infrastructure Team

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