ASN blocking
Refusing traffic by hosting network rather than by identity.
What ASN blocking means
It blocks retrieval agents running on cloud infrastructure — which is most of them — while leaving residential proxies untouched, so it usually costs more visibility than it prevents scraping.
Terms this definition uses
Definitions that name ASN blocking
Related terms in Crawlers and access
Who is fetching, whether they are who they claim, and what your rules actually permit.
visitor resolve · published crawler ranges · operator origin · signed agent · agent arrival · agent conduct record · agent traffic index · user-triggered fetch exemption · retrieval crawler · user-triggered fetch · verified crawler · forged crawler identity · unverifiable · robots.txt · user-agent group · AI opt-out · Content-Signal · crawl budget · cloaking · challenge page at 200 · uniform refusal · nonexistent-path control · blocked render resource · off-host redirect · homepage refused · FCrDNS · Crawler trap · Conditional request · operator feed · residential proxy · Google-Extended · Google-Agent · GPTBot vs OAI-SearchBot · ClaudeBot vs Claude-User · PerplexityBot vs Perplexity-User · CCBot · Bytespider · agentic traffic · crawler classification · user agent · datacenter IP · vantage point · rate limit · delivery comparison · honeypot
Questions about ASN blocking
What is ASN blocking?
Refusing traffic by hosting network rather than by identity.
What does ASN blocking not show or guarantee?
Refusing traffic by hosting network rather than by identity.
Which area of the glossary does ASN blocking belong to?
Crawlers and access: Who is fetching, whether they are who they claim, and what your rules actually permit.
← Conditional request · operator feed →
See it in the full glossary · 731 terms across 19 areas.