Is YandexBot using 77.88.10.81?
Yes, 77.88.10.81 is a confirmed YandexBot IP address from which YandexBot crawls the world wide web.
Last Seen
Sat, November 10 2018 at 11:40:04
IPv4
77.88.10.81
Host
77-88-10-81.s.yandex.com.

User Agents Detected Crawling from YandexBot IP 77.88.10.81
- Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)