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No networks in the real world have a 10.0/8 or 172.12/12 range (that you from another network can route to), that's the whole point.
by iso1631 6y ago
No networks in the real world have a 10.0/8 or 172.12/12 range (that you from another network can route to), that's the whole point.
- tinus_hn 6y agoThat’s why you’re supposed to use these addresses unlike the people in the story who are using addresses that belong to someone else.
- fulafel 6y agoWhat you are actually supposed to use is real unambiguous ip addresses.
- Symbiote 6y agoThis shouldn't be downvoted, it is the correct implementation. The UK MOD needed a large, private network space, so they registered 25/8. They can make whatever integrations with other networks they might need, and know their private address space shouldn't collide.
- fulafel 6y agoAnd today anyone can do it with ipv6.
- xorcist 6y agoCompanies buy each other. They often have overlapping IP ranges which causes all sorts of headaches all the time. Users who VPN into their business partners or clients frequently run into overlapping networks too.