This has been going on for almost a week: Referrer spam from 126.96.36.199 for URLs on dating-s.net and two sites below bir.ru.
dating-s.net is registered by a Dmitri K Lazarev from Tatarstan (is that a city?), Russia, with Direct Information Pvt. Ltd (directi.com) and hosted on 188.8.131.52 (Infobox / Alkor, St. Petersburg). 184.108.40.206 belongs to Arbatek Network in Moscow.
Recommendation: Block both 220.127.116.11 and 18.104.22.168.