Some of those less-cluefull operators include Juniper and Azure[1], Cisco[2][3], and probably many other companies. When Cloudflare put its 1.1.1.1 DNS server into use, it started receiving huge amounts of packets destined to unroutable addresses because the 1.0.0.0/8 space was (mostly?) unused.
If you configure your routers correctly, none of these IP addresses should resolve, anyway. If something in your network is intentionally dialing the department of defence, you probably have some kind of problem at hand. In theory this might become a huge problem, but in practice it probably won't.
If you configure your routers correctly, none of these IP addresses should resolve, anyway. If something in your network is intentionally dialing the department of defence, you probably have some kind of problem at hand. In theory this might become a huge problem, but in practice it probably won't.
[1]: https://www.juniper.net/documentation/en_US/vmx/information-...
[2]: https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2017/pdf...
[3]: https://security.stackexchange.com/questions/157682/why-does...