What Is a Static Residential Proxy? (ISP Proxies Explained)

A static residential proxy is a proxy that gives you a fixed IP address registered to a real internet service provider (ISP), so websites see a home-broadband connection that never changes for as long as you hold it. It is also called an ISP proxy: the IP belongs to a consumer ISP's address space, but it is hosted on fast servers in a data center instead of in someone's living room. You get the trust of a residential IP with the speed and uptime of a server.

That combination is why static residential proxies have become the default for anything that needs a stable identity: managing accounts, long checkout or login sessions, ad verification, price monitoring and SEO tracking. This guide explains exactly what they are, how they are made, how they compare to rotating residential, datacenter and mobile proxies, and how to check that the "static residential" IPs you are buying are the real thing.

TL;DR

• What it is: a fixed, ISP-registered IPv4 address you use as a proxy. Same IP every request, every day, until you release it.

• How it is made: an ISP announces the IP range under its own ASN; the addresses are routed to servers in a data center. Sites look up the IP and see a consumer ISP, not a hosting company.

• Why people use it: the trust of a home IP, with server-grade speed, unlimited bandwidth and no rotation surprises.

• What to check before buying: the ASN owner, fraud score, blacklist status, whether the IP is dedicated or shared, and real latency.

• Best choice: CleanProxies ISP proxies are static residential IPs on Tier-1 US carrier ASNs with a 0 fraud score, 100% dedicated (never shared), unlimited bandwidth and threads, 100Gbps ports, <20ms latency and 99.9% uptime, as low as $0.75/IP. You can test 5 of them for an hour for $4.99.

Static residential proxies at a glance

If you need one identity that stays put, static residential is the answer. If you need thousands of different identities per hour, you want rotating residential proxies instead. Our ISP vs residential vs datacenter comparison goes deeper on all four types.

How a static residential proxy actually works

Every public IP address belongs to an autonomous system (AS), a network identified by a number called an ASN. Websites, anti-fraud services and IP databases look up the ASN behind your IP to answer one question: is this a person at home, or a server?

• A datacenter IP resolves to a hosting ASN (a cloud provider or a server company). Many sites treat that traffic with suspicion by default.

• A residential IP resolves to a consumer ISP's ASN. That is what real customers browsing from home look like.

A static residential proxy uses the second kind. The provider leases IP ranges that are registered to and announced by a real ISP, then routes those ranges to its own servers. The result:

1. The IP looks residential. Lookups show the ISP as the owner and the connection type as broadband or ISP, not hosting.

2. The IP is static. It is assigned to you and does not rotate, so every request, login and session comes from the same address.

3. The hardware is a server. No one's home router is in the path, so there is no peer device that goes offline, no upload bottleneck and no surprise disconnects.

That third point is the key difference from rotating residential networks, which route your traffic through real consumer devices. Those pools are huge and great for variety, but each exit node is only as fast and as available as the household it sits in.

Why "ISP proxy" and "static residential proxy" mean the same thing

Providers use the two names interchangeably. "ISP proxy" describes who owns the IP (an ISP). "Static residential proxy" describes how it behaves (residential, and static). Some sellers also say "static ISP", "dedicated residential" or "residential datacenter". If the IP is ISP-registered, fixed and hosted in a data center, it is the same product.

Our glossary has short definitions of ASN, ISP, sticky session and the other terms you will meet while shopping.

Static vs rotating: which behaviour do you need?

The word that matters most is static. Here is how the two behaviours play out in practice:

Many teams use both: static ISP IPs for the accounts and sessions that must stay consistent, and rotating residential bandwidth for broad data collection. Read rotating vs sticky sessions if you are unsure which one your workflow needs.

Where static residential proxies shine

Account management. Social media managers, marketplace sellers and agencies assign one dedicated IP per account so each profile always connects from the same place, just as a normal user would. Pair the IP with an anti-detect browser profile; our AdsPower setup guide shows how.

E-commerce and price monitoring. Checking prices and stock on retail sites such as Amazon or Walmart over long sessions works best from IPs that look like shoppers and do not drop mid-session.

Ad verification and brand safety. Seeing the ads a real US household sees means connecting from a real US ISP address.

SEO and SERP tracking. Checking rankings for Google Search from stable US residential IPs gives consistent, location-true results.

AI agents and automation. Browser agents that log in and work through multi-step tasks need a consistent identity. See proxies for AI agents.

Long-running integrations. When a partner or internal system allow-lists your IP, a static address is the only thing that works.

How to tell if a "static residential" IP is real

Not every IP sold as static residential deserves the name. Some are relabelled datacenter ranges; some are shared with dozens of other buyers; some already carry a bad reputation. Run these checks on any IP before you rely on it:

1. Check the ASN owner. Paste the IP into our free IP lookup tool. The owner should be a consumer ISP, not a hosting or cloud company.

2. Check the fraud score. A clean static residential IP should score at or near zero. Scores rise when an IP has been abused, so a high score on a "fresh" IP is a red flag. Our guide to clean IP quality explains why this matters so much.

3. Check blacklists. Run the IP through the IP blacklist checker. A listing on major DNSBLs means someone burned it before you.

4. Confirm it is dedicated. Ask the provider in writing whether the IP is shared. Shared ISP IPs are cheaper for a reason: other users' behaviour becomes your problem.

5. Measure real speed. Test latency and success rate with the proxy checker. Server-hosted ISP IPs should be fast and consistent; if they are not, the "data center" behind them is weak.

6. Check for leaks. Make sure your browser is not exposing your real IP alongside the proxy with the WebRTC leak test.

Our step-by-step proxy quality testing guide walks through each check with commands you can copy.

CleanProxies static residential (ISP) proxies

CleanProxies specialises in US ISP proxies, so this is our core product, not a side offering.

• Cleanest IPs on the market: every IP is screened before delivery and ships with a 0 fraud score.

• Tier-1 US carrier ASNs: IPs are registered to major US ISPs, so lookups show a genuine home-broadband footprint across the United States.

• 100% dedicated: your IPs are yours alone and never shared with another customer.

• Built on server-grade infrastructure: 100Gbps network ports, <20ms latency and 99.9% uptime.

• Unlimited bandwidth and unlimited threads: you pay per IP, never per GB, and there are no throttles or caps.

• HTTP(S) and SOCKS5 (with UDP), with user:pass or IP authentication you can switch in the dashboard.

• Instant delivery and 24/7 support from people who run the network.

• The cheapest pricing in the market: ISP proxies as low as $0.75/IP.

Need a whole block? ISP subnet proxies give you a full /24-style range of static residential IPs from $1.19/IP, ideal when you run hundreds of accounts or want subnet-level control.

What the numbers mean

When you compare static residential offers, a few numbers decide whether the product is worth it:

• Price per IP, not per GB. Static residential proxies should be billed per IP with unlimited bandwidth. If a "static" plan meters gigabytes, heavy sessions will cost far more than the headline price. At CleanProxies, $0.75/IP means unlimited data on that IP.

• Fraud score. Zero is the target. Anything high means the IP will be challenged more often, which costs you time on every session.

• Latency. Under 20ms means pages and API calls respond almost as fast as a direct connection. Rotating peer networks commonly sit in the hundreds of milliseconds.

• Uptime. 99.9% uptime allows less than nine hours of downtime in a whole year. For accounts that must stay logged in, that is the number that matters.

• Port speed. 100Gbps network ports mean your throughput is limited by your own setup, not by the provider.

Key stats

• Over half of web traffic is automated. Imperva's 2025 Bad Bot Report found that automated traffic made up 51% of all web traffic in 2024, and bad bots alone 37%, up from 32% a year earlier (Imperva). That is why sites score every IP, and why IP reputation decides whether your legitimate traffic is treated as human.

• IPv4 addresses are scarce and valuable. Marketplace prices for IPv4 addresses converged around the low-to-mid $30s per address at the end of 2024, according to IPv4.Global data summarised by i.lease. Clean, ISP-registered addresses are the scarcest of all, which is why $0.75/IP is an exceptional rate.

• The free pool is long gone. ARIN, the registry for North America, ran out of freely available IPv4 addresses on 24 September 2015 (ARIN). Every US residential IPv4 address in use today is already allocated, so quality depends on where your provider sources it.

Which static residential proxy should you pick?

For a stable US identity, the choice comes down to the checks above: real ISP ASN, zero fraud score, dedicated IPs, unlimited bandwidth, low latency and a fair price per IP. CleanProxies meets every one of them, and at as low as $0.75/IP it is the cheapest way to get them. See how we stack up in our best static residential proxies roundup or on the compare page.

• Running accounts, sessions or allow-listed integrations? Choose CleanProxies ISP proxies.

• Running hundreds of accounts or need a full range? Choose CleanProxies ISP subnet proxies.

• Need worldwide variety for scraping? Add rotating residential from $0.63/GB.

• Need mobile carrier IPs for apps? Add mobile proxies from $0.79/GB.

Testing checklist before you scale

1. Buy a small batch and note each IP.

2. Look up every IP's ASN: it must be a consumer ISP.

3. Check fraud score and blacklists; expect clean results.

4. Measure latency and success rate against your real target.

5. Run your actual workflow for a full session and confirm the IP never changes.

6. Confirm in writing that the IPs are dedicated.

7. Start with the CleanProxies $4.99 trial: 5 ISP IPs for 1 hour (or 100 MB of rotating residential). Create an account and start the trial.

CleanProxies pricing

Ready to run on the cleanest static residential IPs? See full pricing, buy ISP proxies, or check any proxy you already have with our free proxy checker.

Frequently Asked Questions

Team CleanProxies

Proxy Infrastructure Team

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