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Tuesday 14 April 2015

Digital Networks CJSC aka DINETHOSTING and 79.137.224.0/20

A few years ago Digital Networks CJSC (DINETHOSTING) was hosting a significant amount of toxic crap in the 79.137.224.0/20 range (examples: [1] [2] [3] [4]). Although they still host a significant amount of crap, this particular range now looks almost clean and does have quite a few legitimate (mostly Russian) customers on it.

I ran an analysis on 1672 sites [csv] in this range and only two were tagged as malicious by Google and none by SURBL, which is actually less than I would expect on a sample of this size. I note that many sites have reputational problems at WOT which seem to be because of an expired Spamhaus listing (see this example).

If you've blocked this /20 then I suggest that it is reasonably safe to unblock, although I would regard other DINETHOSTING ranges with caution.

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