A few orgs maintain lists of troublesome ASNs The GAYINT :yassquatch: team maintains ...

2026-08-04 21:21:07 UTC

A few orgs maintain lists of troublesome ASNs

The GAYINT :yassquatch: (npub1ezn…nyq3) team maintains this list: https://gayint.org/blocklists/numbers.txt

And The Spamhaus Project (npub14ax…ujmc) maintain this list: https://www.spamhaus.org/drop/asndrop.json

For a good intro about ASNs, poor governance, lack of support for blocking, John Kristoff (npub1hrh…jqnu) gave this excellent talk at FIRSTCON25:

https://youtu.be/PiNP9EDPE-I?si=h4bmMqntAgiFHqCB

If your devices support it, Geo-based IP blocks can get you reasonably far on a home network, but it's not enough for even a mid-enterprise today.

#asn

Author Public Key

npub1cttkhuyqqd467e9e6j2vkvzl3mp3mh4v8dt3j7au7fy637e70pzq443ll8

Seen on

wss://relay.momostr.pink

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Published at

2026-08-04 21:21:07 UTC

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1 Short Text Note

Event JSON

{ "id": "bb53157bf10d1562b84eab3db9e2dc3a9c6be2d56de68725a40d666ef0bb6f6e", "pubkey": "c2d76bf080036baf64b9d494cb305f8ec31ddeac3b57197bbcf249a8fb3e7844", "created_at": 1785878467, "kind": 1, "tags": [ [ "p", "af4c01f47f2c0a70e05ce1ba13460c0b215864947b89d9985f9dc5cebbfe3fa8" ], [ "t", "asn" ], [ "e", "a175ef12bc5795d95485c360a4dbbfc7880238cea667a9991d740b2ea7d193dd", "", "reply", "2f403db7f925ed3e5098c3923f48560a9dc9a6b7ba75d8294d4bd383cfd9002b" ], [ "p", "c8a626a32903f38c9c9f97ccbef5b0c32b0b7591c5ad13a191039f582a9b1ad5" ], [ "p", "c2d76bf080036baf64b9d494cb305f8ec31ddeac3b57197bbcf249a8fb3e7844" ], [ "p", "2f403db7f925ed3e5098c3923f48560a9dc9a6b7ba75d8294d4bd383cfd9002b" ], [ "p", "3a9cc398b4ab4122ef6052873c58079c9b01cd8cb7cce721301359125d29fdee" ], [ "p", "b8ef8531cff07e4663b28da6cd76b07993e598c53b897e25888c6f7efba31fa7" ], [ "e", "e6bc71beede6ce9c510f340388a5833b110d3f52e3ac788e678d59b5f08ccd63", "", "root", "c2d76bf080036baf64b9d494cb305f8ec31ddeac3b57197bbcf249a8fb3e7844" ], [ "proxy", "https://infosec.exchange/@badsamurai/117039331230757099", "web" ], [ "proxy", "https://infosec.exchange/users/badsamurai/statuses/117039331230757099", "activitypub" ], [ "L", "pink.momostr" ], [ "l", "pink.momostr.activitypub:https://infosec.exchange/users/badsamurai/statuses/117039331230757099", "pink.momostr" ], [ "-" ] ], "content": "A few orgs maintain lists of troublesome ASNs\n\nThe nostr:npub1eznzdgefq0ece8yljlxtaadscv4skav3ckk38gv3qw04s25mrt2s5fnyq3 team maintains this list: https://gayint.org/blocklists/numbers.txt\n\nAnd nostr:npub14axqrarl9s98pczuuxapx3svpvs4sey50wyanxzlnhzuawl7875q0rujmc maintain this list: https://www.spamhaus.org/drop/asndrop.json\n\nFor a good intro about ASNs, poor governance, lack of support for blocking, nostr:npub1hrhc2vw07plyvcaj3knv6a4s0xf7txx98wyhufvg33hha7arr7nsu2jqnu gave this excellent talk at FIRSTCON25: \n\nhttps://youtu.be/PiNP9EDPE-I?si=h4bmMqntAgiFHqCB\n\nIf your devices support it, Geo-based IP blocks can get you reasonably far on a home network, but it's not enough for even a mid-enterprise today.\n\n#asn", "sig": "242f8d7f92cacb3bbae66e8f53b73ab13086a1beb170cf68f1fdac451d6ccaa33f3054a37b13a26b986ebe12aef89886fd7d4d59b1ffb694ce714f7ef4657b1f" }

B'ad Samurai :ifin: on Nostr: A few orgs maintain lists of troublesome ASNs The GAYINT :yassquatch: team maintains ...