If official yandex bots ain't included in this data here - then it means spam/scam bots come indeed from yandex servers. As they stopped working, when the yandex data center was hit.

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asdfsa32 2 hours ago | parent | next [-]

But what do you mean by "if"? It is a well defined metric and there is no "if".

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konart 2 hours ago | parent | prev [-]

I'll just link this comment if I may: https://news.ycombinator.com/item?id=50042416

	▲	lukan 2 hours ago \| parent [-]
		Thank you, I missed that one (or it was not there when I started writing). So yandex bots are included and this metric says nothing about malicious yandex intent here.