Whether Intended or Accidental, Internet Traffic Rerouting Can Be CostlyAn apparent prefix leak from an errant router misconfiguration caused Google to lose control of several million of its IP addresses for more than an hour on Monday. During the event, Internet traffic was misrouted to China and Russia from Nigeria. The incident initially sparked concerns that it might have been a hijacking. The mishap made Google services unavailable to many users intermittently.
Source:
Whether Intended or Accidental, Internet Traffic Rerouting Can Be Costly