pussyriotss.ru? Well, if you follow the news in Russia at all then you will have heard of the Pussy Riot case. The IP addresses for pussyriotss.ru are:
18.104.22.168 (Infolink, Panama)
22.214.171.124 (Usonyx , Singapore)
These IPs are also associated with spb-koalitia.ru and a whole bunch of other badness, blocking them would be prudent.