К недавним проблемам с гугловскими серверами.
% Information related to '212.154.168.224 - 212.154.168.255'
inetnum: 212.154.168.224 - 212.154.168.255
netname: KOBACKBONE
descr: JSC Kazakhtelecom, Kazakhstan Online Backbone
descr: Project Google Inc
descr: Astana
country: KZ
http://www.db.ripe.net/whois?form_type=simple&full_query_string=&searchtext=212.154.168.224