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Got a bunch of stuff from a contractor, including a blob of terraform.

TIL that RFC 1918 lists 100.0.0.0/8 as a private IP block!
that was somebody's terribly typo, and it had to stay because they got too far down the path, routing be damned!
@j_angliss I really would hope it was a typo but it had to have been a typo 10 times across a bunch of files
You mean 10.0.0.0/8 as a private IP block, right?

https://datatracker.ietf.org/doc/html/rfc1918#section-3
Verizon will probably be a bit surprised...