On June 6, for more than two hours China Telecom re-routed through its infrastructure a large chunk of European mobile traffic. In November security researchers Chris C. Demchak and Yuval Shavitt published a paper that detailed how China Telecom has been misdirecting Internet traffic through China over the past years. The experts speculate that they were intentional BGP Hijacking attacks. The term BGP hijacking is used to indicate the illegitimate takeover of groups of IP addresses by corrupting Internet routing tables maintained using the Border Gateway Protocol (BGP)”]
Source: https://securityaffairs.co/wordpress/86808/security/china-telecom-traffic-hijacking.html