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>X-Forwarded-For that attempts to make the request appear as if it originated from an IP belonging to the US Department of Defense.

Hundreds of ISPs out there utilizing DoD space for their internal addresses.

Interesting link!

> This sort of thing happens a lot. I (or others I trust) have seen 1.0.0.0/24, 22.0.0.0/24, and other instances of 30.0.0.0/24 used this way.

That usage of 1.0.0.0/24 probably did not age well