Dev.to
7/21/2026
The original title is: "A Python script to score proxy IP quality: latency, datacenter detection, and target survival"
Original: Don't Trust the Marketing Page: Score Your Proxy Provider's IP Quality in ~60 Lines of Python
Short summary
A practical Python script (~60 lines) that scores proxy provider IP quality across three dimensions: latency, datacenter detection via org lookup, and target-site survival rate against real endpoints. The author explains how to interpret results — median latency above 1.5s signals overload, datacenter org strings reveal fake residential IPs, and burned target rates above 15% indicate an oversold pool. Includes a recommended workflow: deposit minimum, pull 30-50 IPs, test against real targets, and recheck weekly for quality drift.
- •60-line Python scorer tests latency, datacenter detection, and target-site ban rates
- •Datacenter org lookup catches providers selling cloud IPs as residential
- •Recommends weekly re-testing since proxy pool quality drifts as providers resell capacity
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