brianhama/bad-asn-list
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An open source list of ASNs known to belong to cloud, managed hosting, and colo facilities.
6 mentions on Hacker News by 3 people: 1 story, 5 comments · first 2017-10-19 · latest 2026-09-12
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I maintain one: https://github.com/brianhama/bad-asn-list
comment by brianhama · 2026-09-12 · in I spent $220 on Google app ads and 60% of the installs were robots -
Could you not also use an ASN list like https://github.com/brianhama/bad-asn-list and add blocks of IPs to a blocklist (eg. ipset on Linux)? Most of the scripty traffic comes from VPSs.
comment by 72deluxe · 2025-11-18 · in Cloudflare Global Network experiencing issues -
…cloud ASNs [1] will usually be enough. Downside is you're also banning any users using VPNs [1] https://github.com/brianhama/bad-asn-list
comment by trinovantes · 2022-12-12 · in Ask HN: Someone is proxy-mirroring my website, can I do anything? -
Blocking IP addresses from cloud providers will eliminate most bots https://github.com/brianhama/bad-asn-list Unfortunately you'll also alienate VPN users so you'll have to decide if it's worth the cost
comment by trinovantes · 2022-10-11 · in Ask HN: Best way to stop bot traffic? -
…than by IP address. I started a GitHub repo with a list of bad ASNs and further instructions here: https://github.com/brianhama/bad-asn-list
comment by brianhama · 2021-03-18 · in Ask HN: Is bot detection snake oil? -
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A new open-source approach to filtering bad web trafficstory by brianhama · 2017-10-19 · 0 comments