Nah, not cloudflare. Just their upstream network provider (or so they say in support emails) and Dreamwidth's well established and long running practice of not

Nah, not cloudflare. Just their upstream network provider (or so they say in support emails) and Dreamwidth's well established and long running practice of not caring that huge ranges of IPv4 are blocked from viewing any sites hosted on them. They do control the blocks but they have their tech support lie about it; as evidenced by this fine grain and specific blocking they're doing now re: Mississippi.