How to distinguish the proxy ip is static or dynamic?3 practical identification method

Method 1: Look at the IP address to see if it has changed its face

The simplest and most brutal method isAccessing IP-checked websites with the same proxy multiple times in a row. For example, open ipinfo.io or a similar website in China with your browser and make a note of the IP address displayed. Then disconnect the proxy and reconnect, then repeat the check 3-5 times.

For example, when testing with ipipgo's Dynamic Residential Proxy, you will find that the IP address and operator may change every time, just like a Sichuan opera face. The static proxy IP is just like a nail, no matter how many times you disconnect and reconnect, the IP information displayed will remain unchanged.

import requests

proxy = "ipipgo dynamic proxy address"
for _ in range(3): res = requests.get("", proxies={"http": proxy})
    res = requests.get("https://ipinfo.io", proxies={"http": proxy})
    print(res.text) Outputs different IPs each time.

Method 2: Check the agency agreement manual

Professional agency service providers areBackstage Control PanelClearly label the type. Using ipipgo as an example, log in to your account and go to the package details page:

focus onsession hold modeThis parameter. Dynamic proxies support setting the IP alive time (e.g. 5 minutes), while static proxies show "Fixed IP" or "Long Term Sessions".

Method 3: Try business scenario adaptation

It is most reliable to use actual business as a litmus test:

- requireLong Term LoginThe e-commerce store management, with a static IP login three days without logging out has not been wind control, indicating that it is a fixed IP

- act ascrawler collectionDynamic IPs can break through anti-climbing restrictions while static IPs may trigger CAPTCHA when

For example, if you use ipipgo's static residential agent to hook up a game account and stay online for 72 hours without dropping out; switch to a dynamic residential agent to do price monitoring and automatically switch IPs every hour to grab data, this is the most direct way to verify.

QA First Aid Kit

Q: Can a dynamic IP be used as a static one?
No way! Dynamic proxies have large IP pools (like ipipgo which has 90 million + dynamic IPs), but individual IPs have a short survival time. For scenarios that require long-term fixed IPs, you must choose a static residential package.

Q: Which ipipgo package is suitable for cross-border e-commerce?
with theirCross-border international special lineThe delay of the dedicated line is ≤2ms, which is 10 times faster than that of ordinary agents. Last time, a friend who did Amazon used this package, the store loading speed directly from 3 seconds to 0.5 seconds.

Q: How can I tell if a proxy is a real residential IP?
There's one in the ipipgo back office.IP Detection ToolIf you enter the proxy IP, you can check the ASN number. The ASN of the real residential IP belongs to the telecom operator, and the ASN of the server room IP is the data center number.

Finally, a bit of cold knowledge: ipipgo's static proxies have a hidden perk - support forCity-level positioning. For example, if you want to do local life services, you can precisely target IPs in Jing'an District, Shanghai or Tianhe District, Guangzhou, which is particularly friendly to doing geographical business.