Residential vs datacenter proxies: what a website actually sees
The difference isn’t speed or price first. It’s who owns the IP, and any website can look that up in a millisecond.
In short
A datacenter IP belongs to a hosting company; a residential IP belongs to a consumer internet provider and sits on someone’s home connection. One lookup tells them apart. If your target doesn’t care, datacenter is faster and cheaper. If it filters by IP type, you need residential, and you still have to behave like a normal visitor.
Every IP address on the internet is announced by a network, an autonomous system with a number and an owner. Comcast, Deutsche Telekom and BT run networks for their home customers. AWS, Hetzner and OVH run networks for servers. Which one an address belongs to is public, and so is its reverse DNS name, if it has one.
A datacenter proxy is a server in a hosting network that forwards your traffic. A residential proxy forwards it through a home connection, so the request reaches the website from an address on a consumer ISP. The website can’t see the gateway in between, only the exit.
We asked ipinfo.io about our own server, which sits in a German data center, and then about a few exits of our residential gateway. This is the same kind of lookup an anti-bot service makes, minus their own reputation data.
| Address | Network (org) | Reverse DNS |
|---|---|---|
| Datacenter, DE | A hosting company | none |
| Residential, DE | AS3320 Deutsche Telekom | …dip0.t-ipconnect.de |
| Residential, US | AS7922 Comcast Cable | …hsd1.ca.comcast.net |
| Residential, GB | AS6871 Plusnet | …dyn.plus.net |
| Residential, FR | AS12322 Free | …subs.proxad.net |
The datacenter address names a hosting company and has no hostname. Every residential exit names a consumer ISP, and the hostname follows the pattern that ISP uses for home lines (hsd1 is Comcast’s cable internet). Run the same check through any proxy you’re evaluating:
curl -x http://via.proxies.vision:9000 --proxy-user "USER-country-us:PASS" https://ipinfo.io/json{
"ip": "73.162.15.159",
"hostname": "c-73-162-15-159.hsd1.ca.comcast.net",
"city": "Vallejo",
"country": "US",
"org": "AS7922 Comcast Cable Communications, LLC",
…
}Trade-offs
Neither kind is better in general. They’re good at different things.
| Datacenter | Residential | |
|---|---|---|
| Who owns the IP | A hosting or cloud company | A consumer ISP, on a home connection |
| Sites that filter by IP type | Recognise it in one lookup | See an ordinary home visitor |
| Speed and stability | Fast, consistent, rarely drops | Varies with the home line; some requests drop and need a retry |
| Same IP for hours | Yes, a dedicated IP stays yours | Sticky sessions hold an exit for minutes, not days |
| Locations | Where the provider has servers | Wherever the pool has homes: country, city |
| Usual pricing | Per IP, often with lots of bandwidth | Per GB of traffic |
Datacenter is enough when…
the target doesn’t filter by IP type: public APIs, government and open data, your own sites, most B2B tools. Also when you need one fixed IP that a partner can whitelist, or lots of bandwidth for little money. Try a datacenter IP first; if the responses are normal, there’s no reason to pay per GB.
Residential is worth it when…
datacenter requests get 403s, CAPTCHAs or empty pages while the same request from your home connection works. That difference is the IP type. Residential also helps when you need to appear in a specific country or city, for localised prices, search results or ads, since the exit really is there.
Mixing both
Route by target: unprotected hosts direct or through datacenter, protected ones through residential. You pay per GB only for the traffic that needs it.
The IP is one signal among many. Anti-bot services also look at how fast you send requests, whether your headers and TLS handshake match the browser you claim to be, and whether a session behaves like a person. A residential exit with a script’s default headers, hammering one endpoint, is still easy to spot.
Two habits matter as much as the IP type:
Rotate on purpose
A rotating gateway only gives you a new IP per connection. Many HTTP clients keep one connection open, so every request leaves from the same exit. We measured this in Python and in Go.
Keep one IP where a person would
Logins, carts and checkouts expect the same visitor throughout. Use a sticky session for those: USER-session-checkout1-lifetime-10 on the sticky port keeps one exit for ten minutes. An IP change in the middle looks like a hijacked session.
What is a residential proxy?
What is a datacenter proxy?
Do residential proxies guarantee I won't get blocked?
Can I use both in one scraper?
How do I check what kind of IP a proxy gives me?
Keep reading
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Residential proxies, pay per GB
HTTP and SOCKS5. Country, city and sticky sessions in the username. No subscription.