UA: Mozilla/5.0 (compatible; vkShare; +http://vk.com/dev/Share)
Protocol: HTTP/1.1
Robots.txt: No
Host: hostrov.com
Parent: mail.ru (ISP)
195.211.20.0 - 195.211.23.255
195.211.20.0/22
api to allow vkShare users to share links. Why this UA is crawling web pages is unknown; perhaps to validate the source link.