Guide · Proxy basics

Residential vs datacenter proxies: which do you need?

A datacenter proxy exits from an address registered to a hosting company; a residential proxy exits from an address an internet provider assigned to a household. Datacenter IPs are faster and cheaper per request, and they are the right choice wherever a target treats all traffic the same. Residential IPs are for targets that respond differently to hosting ranges than to consumer ones. ISP and mobile proxies sit between and beyond those two, and the choice is about what the target sees, not about which type is “better”.

Reviewed 30 Oct 2026

The short answer

The difference is the network an address belongs to. IP intelligence databases label it — one widely used database distinguishes types such as hosting, residential, cellular and business.
Datacenter proxies win on speed, stability and price. Use them first for your own sites, open APIs and targets that do not distinguish.
Residential proxies are for pages that serve a different response to hosting traffic than to consumers, and for country and city-specific views.
ISP proxies are hosted machines on ISP-registered addresses; mobile proxies exit through carrier networks where many subscribers share addresses.
We do not sell datacenter proxies. If datacenter IPs do the job, they are usually the cheaper answer.

The four proxy types side by side

Type	Where the address comes from	Strengths	Weaknesses	Typical billing
Datacenter	A hosting provider's network	Fastest, most stable, cheapest	Address ranges are identifiable as hosting; some sites respond differently	Per IP or per GB
ISP	A hosted server on addresses registered to a consumer ISP	Near-datacenter speed with a consumer-registered address	Smaller pools; registration and network path can still differ from a home line	Per IP per month (static) or per GB (rotating)
Residential	Household connections assigned by consumer ISPs	Broad country and city coverage; looks like ordinary consumer traffic	Slower and less predictable; an exit can disappear mid-session	Per GB
Mobile	Mobile carrier networks, often behind carrier-grade NAT	The only way to see what carrier users see	Most expensive per GB; coarse geolocation; fewer countries	Per GB

How sites tell the types apart

Every IP address belongs to a network block announced by an autonomous system and registered to an organisation. IP intelligence vendors combine that registration data with other signals to label each address. MaxMind's GeoIP web service, for example, returns a user_type field whose values include hosting, residential, cellular, business and content_delivery_network, and a connection_type of Cable/DSL, Cellular, Corporate or Satellite.

A site that consults such data can treat hosting ranges differently from consumer ones — show a different page, apply a stricter rate limit, or ask for verification. Many sites do none of this. That is the whole decision: if your target does not differentiate, residential IPs buy you nothing.

When datacenter proxies are the right choice

Monitoring and testing your own sites and APIs.
Public APIs and open-data portals that publish rate limits and welcome automated clients.
Targets you have tested and found to respond identically to hosting traffic.
Bulk downloads where throughput matters and location does not.

We do not sell datacenter proxies, and this page is not an argument against them. If a datacenter pool returns the same content as a residential one for your target, it is the cheaper and faster tool.

When residential, ISP or mobile is the right choice

Residential when the target serves hosting ranges a different page, or when you need a specific country or city view — local search results, regional prices, geo-redirected catalogues. See residential proxies.
ISP when you need a consumer-registered address with hosted speed: high-volume HTML fetching of price feeds and monitors, or — with a static ISP proxy — the same address every time for allowlisting.
Mobile when the thing you are observing exists only on a carrier network: mobile ad placements, app-store surfaces, mobile-only page variants. Carriers share addresses among many subscribers through carrier-grade NAT (the shared range is standardised in RFC 6598), which also makes geolocation coarse. See mobile proxies.

A practical decision path

Fetch a sample of target pages from a datacenter IP and from a residential IP in the same country. Compare status codes, content and prices.
If they match, use the cheapest pool that matches — datacenter or a rotating ISP pool.
If they differ, move only the targets that differ to residential, and keep the rest where they are.
Use mobile only for the specific surfaces that need a carrier network.

Ask where residential IPs come from

Residential addresses belong to real households, so how a provider obtains them matters. A 2019 IEEE Security & Privacy study of residential proxy services found many proxy hosts that appeared to be compromised machines, including IoT devices, despite providers' claims that hosts joined willingly. When you evaluate any residential provider, ask how the exit devices are sourced and what consent model applies, and use the network only for lawful, public collection — ours is governed by our acceptable use policy.

FAQ

Questions

Something not covered? Write to contact@arcproxies.io.

What is the difference between residential and datacenter proxies?

A datacenter proxy exits from an address registered to a hosting provider; a residential proxy exits from an address a consumer internet provider assigned to a household. Datacenter proxies are faster and cheaper; residential proxies are for targets that respond differently to hosting traffic or when you need a specific consumer location.

Are residential proxies better than datacenter proxies?

Not in general. They are better only for targets that treat hosting addresses differently from consumer ones. For your own sites, open APIs and targets that do not differentiate, datacenter proxies are faster, more stable and cheaper.

What is an ISP proxy?

An ISP proxy runs on a hosted server but uses addresses registered to a consumer internet provider. It combines near-datacenter speed and stability with a consumer-registered address, and is sold either as static IPs per month or as a rotating pool per gigabyte.

Can websites tell if I am using a datacenter proxy?

Often, yes. IP intelligence databases label addresses by network type — for example hosting, residential, cellular or business — so a site that checks can see that a request comes from a hosting range. Many sites do not act on it.

When should I use mobile proxies?

When the content you need to observe exists only for users on a mobile carrier network, such as mobile ad placements or mobile-only page variants. They cost more per gigabyte, cover fewer countries and geolocate less precisely, so use them only where nothing else shows the same thing.

Do you sell datacenter proxies?

No. ARC Proxies sells residential, rotating ISP, mobile and static ISP proxies. If a datacenter pool returns the same content for your target, it is usually the cheaper option.

Sources & review

Last reviewed 30 October 2026 by the ARC Proxies team. Prices are read from the live catalog at build time.

[1]MaxMind: GeoIP web services — response body (user_type, connection_type)
[2]IETF: RFC 6598: IANA-Reserved IPv4 Prefix for Shared Address Space
[3]MaxMind: MaxMind geolocation accuracy
[4]IEEE Symposium on Security and Privacy 2019 (Mi et al.): Resident Evil: Understanding Residential IP Proxy as a Dark Service

Where to go from here

Use caseProxies for web scraping and data collectionA second provider that just works — Scrapy, requests, Crawlee or Playwright, self-serve, no sales call, bandwidth that never expires.Use caseProxies for price and competitor monitoringSee the price a shopper in Berlin, Lyon or Chicago sees. ISP bandwidth at our lowest price per GB for HTML checks, residential where a marketplace is strict.ProductResidentialReal consumer IPs in 185+ countries with city targeting, rotating or sticky, billed per gigabyte with no subscription and no expiry.ProductISPDatacentre-hosted addresses registered to consumer ISPs — our fastest pool and lowest price per GB, for monitors, price feeds and plain HTML at volume.ProductMobileGenuine carrier IPs in Germany, the UK, the US and Japan, rotating or sticky for up to 60 minutes — for pages that treat a phone network differently.ProductStatic IPsDedicated addresses that stay yours, priced per IP per month with unmetered traffic — when a target needs to see the same IP every time.GlossaryDatacenter proxyA datacenter proxy is a proxy that exits from a server in a hosting or cloud facility, on an IP address registered to that hosting provider rather than to a consumer ISP; it is the fastest and cheapest kind of proxy to run and the easiest for a website to recognise as infrastructure.GlossaryResidential proxyA residential proxy is a proxy server whose exit IP address belongs to an ordinary home internet connection supplied by a consumer ISP, so the site you request sees a household address in the country or city you chose rather than a hosting range.GlossaryASN (autonomous system number)An ASN (autonomous system number) is the identifier of an autonomous system — a network such as an ISP, a mobile carrier or a cloud provider that announces its own IP prefixes to the internet under one routing policy — so looking up the ASN of an IP address tells you who operates the network it comes from.

Guides

More on proxy basics

Rotating vs sticky sessionsRotating proxies change exit IP per connection; sticky sessions hold one IP for a set time. How each works, when to use which, and how to set them up.How to test a proxy's locationCheck a proxy's exit IP and geolocation with curl, why IP geolocation databases disagree, and how to verify what the target site actually sees.Proxy vs VPNA proxy relays one app's traffic, a VPN tunnels a whole device's: how they differ in scope, encryption, exit IPs and automation, and when to use each.