A US static ISP proxy gives you an IP address registered to an internet service provider in the United States, and that address stays the same for as long as you keep the order. That combination matters when the work depends on continuity: logging in to the same account week after week, checking a US storefront the way a local shopper sees it, or keeping one browser profile tied to one stable address. Cloudj offers two static ISP options in the US; this guide explains when each fits and how to keep sessions predictable.
What "static ISP" means in practice
Proxy IPs are usually grouped by the network the address is registered to. Datacenter IPs, as a generic market category, belong to hosting and cloud networks. ISP IPs belong to ranges registered to internet service providers. Cloudj's US proxies are ISP IPs, in two forms:
- Dedicated IPv4 (static ISP IP). A static IPv4 address registered to an ISP, described as fast and stable, assigned to one customer only.
- Static residential ISP. An IP from a home-broadband ISP that stays the same, so the connection looks like a regular user's.
"Static" is the second half of the name. Some residential proxy products hand you a different address every few minutes or on every request. A static ISP proxy does the opposite: one IP, assigned to your order, unchanged across days and months. Each proxy comes with its own host, port, username and password shown in the console.
If you want the full background on how dedicated proxies work before choosing a type, the dedicated proxy guide covers protocols, authentication and ordering in one place.
Two US static ISP options compared
Neither type is "better"; they suit different jobs.
| Question | US dedicated IPv4 (static ISP IP) | US static residential ISP |
|---|---|---|
| Where the IP comes from | A static IP registered to an ISP | A home-broadband ISP |
| Main strength | Fast and stable | Looks like a regular user |
| Does it stay the same | Yes, for the life of the order | Yes, for the life of the order |
| Strong fit | Collecting public pages, API calls, monitoring, allowlisted access | Account logins, storefront checks as a household visitor, long browser sessions |
| Weaker fit | Work that should look like a home user | Bulk scripted requests that only need speed and stability |
The background on how both compare with generic datacenter proxies is in datacenter vs ISP proxy. A short rule: if a script is calling public pages, start with dedicated IPv4 from the US proxy page; if a person or a browser profile is logging in to an account that should look like it lives in one US home, static residential ISP is the more natural fit.
Where a long-lived US IP helps
One account, one address
Many platforms watch for sudden location changes on an account. A team that manages a US business account, such as a marketplace seller profile or a brand's social account, gets steadier behaviour when every login comes from the same US address instead of hopping between networks. A static proxy gives each account its own fixed address, which also keeps your own audit trail clean.
Seeing the US market as a local visitor
Prices, shipping options, search results and ad placements often differ by visitor location. Checking a US storefront, a delivery estimate or a localised landing page from a residential US IP shows you something close to what a local customer at home sees. For short-form video and creator work aimed at a US audience, TikTok proxy for the US goes into that workflow specifically.
Sessions that last for hours
Some work is not a single request but a long session: a dashboard left open all day, a checkout flow tested end to end, a browser profile that keeps cookies for weeks. Rotating IPs break these sessions. A static IP of either type keeps the cookie, the login and the address in step.
When residential is not the right tool
Bulk data collection usually needs speed and stability more than a household-looking address. If your plan is to collect thousands of public pages, read web scraping from a US VPS first and consider the dedicated IPv4 option. A proxy also does not exempt you from a platform's rules: follow each platform's terms, and do not expect any IP type to prevent bans by itself.
A buyer's checklist
These answers decide the type, quantity and term.
- What is the job? Logins and browser sessions that should look like a household point to static residential ISP; scripted requests to public pages point to dedicated IPv4.
- How many identities? Plan one IP per account or browser profile you want to keep separate. The how many proxies do I need guide walks through the sizing.
- Which protocol? HTTP works with almost every browser and tool. SOCKS5 suits apps that support it where the location offers it, and you can switch the protocol of an order in the console later.
- Password or IP whitelist? Username and password is the default and works from anywhere. If your tools always run from fixed IPs, a whitelist of up to 20 addresses replaces password access.
- Which term? Orders run for 1, 3, 6 or 12 months. Turn on auto-renew from your balance if the same IPs must keep running without a gap.
If you are still deciding between the two US options, buying a US proxy walks through the ordering steps.
Setting up a US static ISP proxy for stable sessions
Ordering happens in the console and is paid from your account balance; proxies are usually ready within a few minutes. Each order can hold from 1 to 1,000 IPs, and larger quantities get a lower price per IP. You can see live prices in the console or on the pricing page.
Once the order is active, copy the host, port, username and password from the console. Each credential view is logged and you get a notice.
Test the proxy from your machine before plugging it into a browser profile:
curl -x http://USERNAME:PASSWORD@HOST:PORT https://api.ipify.orgThe command should print the proxy's IP, not your own. For SOCKS5, use --socks5-hostname so DNS lookups also go through the proxy:
curl --socks5-hostname HOST:PORT -U USERNAME:PASSWORD https://api.ipify.orgA few habits keep long sessions stable:
- Pin each browser profile or account to one proxy and keep that mapping in a simple spreadsheet.
- Set the browser's time zone and language to match the use case, so the profile does not contradict its own IP.
- Rotate the proxy password from the console if a credential leaks; the old password stops working straight away, so update your tools at the same time.
- Keep auto-renew on for IPs tied to important accounts. Letting an order lapse means the address can be lost.
If an order cannot be set up, the full amount returns to your balance. Within 24 hours of ordering you can also stop an order and get the unused part back, which is a reasonable window to confirm the IPs work with your tools.
FAQ
Is a static ISP proxy the same as a residential proxy?
Not always. Cloudj's static residential ISP is a residential IP from a home-broadband ISP. Its dedicated IPv4 is also a static ISP IP, registered to an ISP and built for speed and stability rather than for looking like a household.
Are Cloudj's US dedicated IPv4 proxies datacenter IPs?
No. They are static IPv4 addresses registered to an ISP, each assigned to one customer only.
Which countries offer static residential ISP?
The United States and Vietnam. Dedicated IPv4, the static ISP IP, is available in all seven proxy countries. Stock can change, and the console shows what is available.
Will a static ISP proxy stop my account from being banned?
No IP type can promise that. It removes one common source of friction, sudden location changes, but account health still depends on following each platform's rules.
Choosing your next step
If your work centres on accounts and long browser sessions in the United States, static residential ISP is a sensible default; for scripts and bulk requests, start with the US dedicated IPv4 static ISP proxy. Check stock and live prices in the Cloudj console, order a small batch first, and scale up once the setup behaves the way you expect.