Yandex was ..
IP Range: 126.96.36.199 - 188.8.131.52
may have been expanded now ?
there is other info in various places such as
After looking all round their various sites, a lot of which are in Russian only, can't find any range info ..
Think I'll phone them tomorrow ( its late here and the offices will be shut ) and ask ..
[edited by: Leosghost at 6:14 pm (utc) on May 26, 2011]