Yes, there have been cases where this has happened (https://notes.valdikss.org.ru/jabber.ru-mitm/), but it's really now into the realm of

1) How to secure routing information: some says RPKI, some argues that's not enough and are experimenting with something like SCION (https://docs.scion.org/en/latest/)

2) Principal-Agent problem: jabber.ru's hijack relied on (presumably) Hetzner being forced to do it by German law agents based on the powers provided under the German Telecommunications Act (TKG)