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Proxy guides, experiments & operator notes
Engineering guides and first-party measurements for people operating proxy-backed data systems.
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Comcast Residential Proxy: AS7922 Evidence and Test Plan
Evaluate a Comcast residential proxy with Databay's published AS7922 sample, live-supply limits, route verification, and a provider-neutral purchase test.
· 12 min read
Research
07 entries
Eswatini Proxies: Availability, Setup, and Buyer Checks
Need Eswatini proxies? See which Databay network mappings include country code SZ, what remains unverified, and how to confirm live...
12 min readRead
Free Proxy List Benchmark: 2,911 Proxies Tested
Results from a June 11, 2026 test of 2,911 entries across seven free proxy lists, covering availability, HTTPS, latency, stability, and...
11 min readRead
Residential IP Reputation: 1,000 Published Observations
What 1,000 redacted route observations across 25 ASNs show about DNSBL labels, Tor and DROP checks, network classification, and dataset...
10 min readRead
Headless Browser Detection Signals: Defensive Testing
How sites combine browser, rendering, network, session, and behavior signals, and how to test them defensively without treating a...
10 min readRead
TLS Fingerprinting Through Proxies: JA3, JA4, Tunnels
How JA3 and JA4 summarize TLS clients, when proxies preserve or replace a ClientHello, and how to test a path without treating a hash as...
10 min readRead
Free Proxy List Methodology and Coverage Limits
Definitions for the fields Databay publishes, the freshness and filtering rules in the website code, and limits on what those...
4 min readRead
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