alt Hacker NewsIf i'm not mistaken its because IPs are actually much easier to rotate than domains.
E.g. all the users will remember `example.com` , underlying it doesn't matter what IP it resolves to. If the IP gets "burned" , then the providers can rotate to a new IP (if their provider allows).
Vs. telling your users to use a new domain `example.org` , fake websites etc.
Also sensible ISPs usually don't block IPs since for services behind a CDN it could lead to other websites being blocked, though of course sometimes this is ignored. See also: https://blog.cloudflare.com/consequences-of-ip-blocking/
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That's why you have a strictly legal domain that enables a convoluted redirect with plausible deniability (not 302)
It'll still eventually stick, but a lot slower
I wouldn't say you're mistaken, but it's a simplification. In the network world, the capability exists to restrict what BGP advertisements are accepted via RPKI/a peer. Internet providers usually don't because the premium is placed on uptime/connectivity.
If tomorrow, everyone said "we don't want IP's from Frankfurt showing up somewhere in Dubai", you'd have a massive technical problem and rearranging to start with but once that was sorted you could geo-lock. IANA and Network providers simply haven't been doing that.
The reason it doesn't happen is Devs/Stakeholders want uptime from ISPs/Networks and not something they can't abstract. Basically its just a status quo much like the entire internet reverse-proxying through CDNs is a status quo. It wasn't always like that, and it may not always be like that in the future - just depends which way the winds blow over time.