Many people don't pay much attention to IP quality. The shared IP nodes used by proxies are used by countless users simultaneously, which can eventually lead to being blacklisted as a witch. A classic lighter previously checked IPs for witch hunts and unfortunately got caught.

Here are some commonly used IP detection tools:

1) Scamalytics: An online fraud prevention and security service platform.
Fraud score indicates the risk level. It also provides additional data: proxy servers, VPNs, Tor, data center IPs, and other anonymization tools detection.
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2) Ip123: A free Chinese IP lookup tool. Suitable for individuals to quickly check IPs and roughly assess fraud risk. Compared to professional risk control platforms, its data is more basic.
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3) )IPinfo: A professional IP data intelligence platform aimed at developers and enterprises, offering real-time, highly accurate IP lookup services.
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4) Ippure: A practical all-in-one free IP purity detection tool, supporting both Chinese and English interfaces, with direct queries on the homepage. Compared to pure intelligence platforms, it focuses more on "whether the IP is clean and usable."
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5) Ipjiance: A Chinese IP quality detection tool, providing IP quality assessment for cross-border e-commerce, foreign trade, and overseas social users.
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