A widespread internet disruption occurred in Japan on Friday, August 25. Google error it the main cause of the Internet outage that caused the panic in the country. The incident was caused by a BGP route hijack that began at 12:22 PM local Japan time and was fixed by 1:01 PM. Google hijacked the traffic NTT Communications Corp., a major ISP who also supports two smaller ISPs named OCN and KDDI Corp. NTT has more than 8 million customers, 7.67 million home users, and 480,000 companies.”]
Source: https://securityaffairs.co/wordpress/62409/hacking/google-mistakeinternet-outage-japan.html